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Finding the Fourth Proportional to 63,753.42, 87,973.47 and 35,457.42

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Solution

The fourth proportional to 63,753.42, 87,973.47 and 35,457.42 is: 48,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,753.42 : 87,973.47 = 35,457.42 : x
  2. Step 2: Convert to fraction form
    63,753.42/87,973.47 = 35,457.42/x
  3. Step 3: Cross multiply
    63,753.42x = 87,973.47 × 35,457.42
  4. Step 4: Simplify right side
    63,753.42x = 3,119,312,274.65
  5. Step 5: Solve for x
    x = 3,119,312,274.65/63,753.42
  6. Step 6: Final answer
    x = 48,927.76

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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.