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Finding the Fourth Proportional to 63,785.52, 88,024.86 and 35,491.16

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Solution

The fourth proportional to 63,785.52, 88,024.86 and 35,491.16 is: 48,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,785.52 : 88,024.86 = 35,491.16 : x
  2. Step 2: Convert to fraction form
    63,785.52/88,024.86 = 35,491.16/x
  3. Step 3: Cross multiply
    63,785.52x = 88,024.86 × 35,491.16
  4. Step 4: Simplify right side
    63,785.52x = 3,124,104,390.24
  5. Step 5: Solve for x
    x = 3,124,104,390.24/63,785.52
  6. Step 6: Final answer
    x = 48,978.27

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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.