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Finding the Fourth Proportional to 63,752.63, 87,978.62 and 35,457.71

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Solution

The fourth proportional to 63,752.63, 87,978.62 and 35,457.71 is: 48,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,752.63 : 87,978.62 = 35,457.71 : x
  2. Step 2: Convert to fraction form
    63,752.63/87,978.62 = 35,457.71/x
  3. Step 3: Cross multiply
    63,752.63x = 87,978.62 × 35,457.71
  4. Step 4: Simplify right side
    63,752.63x = 3,119,520,042.91
  5. Step 5: Solve for x
    x = 3,119,520,042.91/63,752.63
  6. Step 6: Final answer
    x = 48,931.63

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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.