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Finding the Fourth Proportional to 7,100.15, 9,794.93 and 4,442.94

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Solution

The fourth proportional to 7,100.15, 9,794.93 and 4,442.94 is: 6,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.15 : 9,794.93 = 4,442.94 : x
  2. Step 2: Convert to fraction form
    7,100.15/9,794.93 = 4,442.94/x
  3. Step 3: Cross multiply
    7,100.15x = 9,794.93 × 4,442.94
  4. Step 4: Simplify right side
    7,100.15x = 43,518,264.08
  5. Step 5: Solve for x
    x = 43,518,264.08/7,100.15
  6. Step 6: Final answer
    x = 6,129.21

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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.