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Finding the Fourth Proportional to 48,484.79, 72,727.19 and 15,207.77

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Solution

The fourth proportional to 48,484.79, 72,727.19 and 15,207.77 is: 22,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,484.79 : 72,727.19 = 15,207.77 : x
  2. Step 2: Convert to fraction form
    48,484.79/72,727.19 = 15,207.77/x
  3. Step 3: Cross multiply
    48,484.79x = 72,727.19 × 15,207.77
  4. Step 4: Simplify right side
    48,484.79x = 1,106,017,938.59
  5. Step 5: Solve for x
    x = 1,106,017,938.59/48,484.79
  6. Step 6: Final answer
    x = 22,811.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.