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Finding the Fourth Proportional to 52,488.63, 72,430.68 and 29,521.89

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Solution

The fourth proportional to 52,488.63, 72,430.68 and 29,521.89 is: 40,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488.63 : 72,430.68 = 29,521.89 : x
  2. Step 2: Convert to fraction form
    52,488.63/72,430.68 = 29,521.89/x
  3. Step 3: Cross multiply
    52,488.63x = 72,430.68 × 29,521.89
  4. Step 4: Simplify right side
    52,488.63x = 2,138,290,567.59
  5. Step 5: Solve for x
    x = 2,138,290,567.59/52,488.63
  6. Step 6: Final answer
    x = 40,738.17

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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.