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Finding the Fourth Proportional to 60,580.47, 90,874.18 and 18,461.93

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Solution

The fourth proportional to 60,580.47, 90,874.18 and 18,461.93 is: 27,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,580.47 : 90,874.18 = 18,461.93 : x
  2. Step 2: Convert to fraction form
    60,580.47/90,874.18 = 18,461.93/x
  3. Step 3: Cross multiply
    60,580.47x = 90,874.18 × 18,461.93
  4. Step 4: Simplify right side
    60,580.47x = 1,677,712,266.75
  5. Step 5: Solve for x
    x = 1,677,712,266.75/60,580.47
  6. Step 6: Final answer
    x = 27,693.95

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1.5x scale

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.