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Finding the Fourth Proportional to 63,547.80, 87,695.70 and 35,253.50

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Solution

The fourth proportional to 63,547.80, 87,695.70 and 35,253.50 is: 48,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,547.80 : 87,695.70 = 35,253.50 : x
  2. Step 2: Convert to fraction form
    63,547.80/87,695.70 = 35,253.50/x
  3. Step 3: Cross multiply
    63,547.80x = 87,695.70 × 35,253.50
  4. Step 4: Simplify right side
    63,547.80x = 3,091,579,921.47
  5. Step 5: Solve for x
    x = 3,091,579,921.47/63,547.80
  6. Step 6: Final answer
    x = 48,649.68

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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.