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Finding the Fourth Proportional to 48,239.53, 72,030.92 and 42,569.89

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Solution

The fourth proportional to 48,239.53, 72,030.92 and 42,569.89 is: 63,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,239.53 : 72,030.92 = 42,569.89 : x
  2. Step 2: Convert to fraction form
    48,239.53/72,030.92 = 42,569.89/x
  3. Step 3: Cross multiply
    48,239.53x = 72,030.92 × 42,569.89
  4. Step 4: Simplify right side
    48,239.53x = 3,066,348,341.00
  5. Step 5: Solve for x
    x = 3,066,348,341.00/48,239.53
  6. Step 6: Final answer
    x = 63,565.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.