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Finding the Fourth Proportional to 6,443.22, 8,895.93 and 4,948.47

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Solution

The fourth proportional to 6,443.22, 8,895.93 and 4,948.47 is: 6,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.22 : 8,895.93 = 4,948.47 : x
  2. Step 2: Convert to fraction form
    6,443.22/8,895.93 = 4,948.47/x
  3. Step 3: Cross multiply
    6,443.22x = 8,895.93 × 4,948.47
  4. Step 4: Simplify right side
    6,443.22x = 44,021,261.28
  5. Step 5: Solve for x
    x = 44,021,261.28/6,443.22
  6. Step 6: Final answer
    x = 6,832.18

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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.