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Finding the Fourth Proportional to 4,442.66, 6,130.80 and 2,453.22

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Solution

The fourth proportional to 4,442.66, 6,130.80 and 2,453.22 is: 3,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.66 : 6,130.80 = 2,453.22 : x
  2. Step 2: Convert to fraction form
    4,442.66/6,130.80 = 2,453.22/x
  3. Step 3: Cross multiply
    4,442.66x = 6,130.80 × 2,453.22
  4. Step 4: Simplify right side
    4,442.66x = 15,040,201.18
  5. Step 5: Solve for x
    x = 15,040,201.18/4,442.66
  6. Step 6: Final answer
    x = 3,385.40

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Half scale
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Double scale
Find fourth proportional to 4,443.66, 6,132.18 and 2,454.22
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.