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Finding the Fourth Proportional to 48,580.76, 72,874.06 and 15,301.90

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Solution

The fourth proportional to 48,580.76, 72,874.06 and 15,301.90 is: 22,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,580.76 : 72,874.06 = 15,301.90 : x
  2. Step 2: Convert to fraction form
    48,580.76/72,874.06 = 15,301.90/x
  3. Step 3: Cross multiply
    48,580.76x = 72,874.06 × 15,301.90
  4. Step 4: Simplify right side
    48,580.76x = 1,115,111,578.71
  5. Step 5: Solve for x
    x = 1,115,111,578.71/48,580.76
  6. Step 6: Final answer
    x = 22,953.77

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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.