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Finding the Fourth Proportional to 63,547.50, 87,695.55 and 35,253.39

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Solution

The fourth proportional to 63,547.50, 87,695.55 and 35,253.39 is: 48,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,547.50 : 87,695.55 = 35,253.39 : x
  2. Step 2: Convert to fraction form
    63,547.50/87,695.55 = 35,253.39/x
  3. Step 3: Cross multiply
    63,547.50x = 87,695.55 × 35,253.39
  4. Step 4: Simplify right side
    63,547.50x = 3,091,565,425.41
  5. Step 5: Solve for x
    x = 3,091,565,425.41/63,547.50
  6. Step 6: Final answer
    x = 48,649.68

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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.