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Finding the Fourth Proportional to 52,502.94, 72,454.40 and 28,630.01

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Solution

The fourth proportional to 52,502.94, 72,454.40 and 28,630.01 is: 39,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,502.94 : 72,454.40 = 28,630.01 : x
  2. Step 2: Convert to fraction form
    52,502.94/72,454.40 = 28,630.01/x
  3. Step 3: Cross multiply
    52,502.94x = 72,454.40 × 28,630.01
  4. Step 4: Simplify right side
    52,502.94x = 2,074,369,691.12
  5. Step 5: Solve for x
    x = 2,074,369,691.12/52,502.94
  6. Step 6: Final answer
    x = 39,509.59

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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.