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Finding the Fourth Proportional to 27,322.71, 40,938.77 and 9,543.82

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Solution

The fourth proportional to 27,322.71, 40,938.77 and 9,543.82 is: 14,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.71 : 40,938.77 = 9,543.82 : x
  2. Step 2: Convert to fraction form
    27,322.71/40,938.77 = 9,543.82/x
  3. Step 3: Cross multiply
    27,322.71x = 40,938.77 × 9,543.82
  4. Step 4: Simplify right side
    27,322.71x = 390,712,251.90
  5. Step 5: Solve for x
    x = 390,712,251.90/27,322.71
  6. Step 6: Final answer
    x = 14,299.91

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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.