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Finding the Fourth Proportional to 63,461.76, 87,570 and 35,160.24

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Solution

The fourth proportional to 63,461.76, 87,570 and 35,160.24 is: 48,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,461.76 : 87,570 = 35,160.24 : x
  2. Step 2: Convert to fraction form
    63,461.76/87,570 = 35,160.24/x
  3. Step 3: Cross multiply
    63,461.76x = 87,570 × 35,160.24
  4. Step 4: Simplify right side
    63,461.76x = 3,078,982,216.80
  5. Step 5: Solve for x
    x = 3,078,982,216.80/63,461.76
  6. Step 6: Final answer
    x = 48,517.13

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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.