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Finding the Fourth Proportional to 52,374.60, 72,277.62 and 28,501.92

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Solution

The fourth proportional to 52,374.60, 72,277.62 and 28,501.92 is: 39,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,374.60 : 72,277.62 = 28,501.92 : x
  2. Step 2: Convert to fraction form
    52,374.60/72,277.62 = 28,501.92/x
  3. Step 3: Cross multiply
    52,374.60x = 72,277.62 × 28,501.92
  4. Step 4: Simplify right side
    52,374.60x = 2,060,050,943.03
  5. Step 5: Solve for x
    x = 2,060,050,943.03/52,374.60
  6. Step 6: Final answer
    x = 39,333.02

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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.