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Finding the Fourth Proportional to 63,457.01, 87,547.51 and 37,964.11

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Solution

The fourth proportional to 63,457.01, 87,547.51 and 37,964.11 is: 52,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,457.01 : 87,547.51 = 37,964.11 : x
  2. Step 2: Convert to fraction form
    63,457.01/87,547.51 = 37,964.11/x
  3. Step 3: Cross multiply
    63,457.01x = 87,547.51 × 37,964.11
  4. Step 4: Simplify right side
    63,457.01x = 3,323,663,299.87
  5. Step 5: Solve for x
    x = 3,323,663,299.87/63,457.01
  6. Step 6: Final answer
    x = 52,376.61

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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.