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Finding the Fourth Proportional to 27,545.88, 38,000.88 and 16,931.64

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Solution

The fourth proportional to 27,545.88, 38,000.88 and 16,931.64 is: 23,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,545.88 : 38,000.88 = 16,931.64 : x
  2. Step 2: Convert to fraction form
    27,545.88/38,000.88 = 16,931.64/x
  3. Step 3: Cross multiply
    27,545.88x = 38,000.88 × 16,931.64
  4. Step 4: Simplify right side
    27,545.88x = 643,417,219.84
  5. Step 5: Solve for x
    x = 643,417,219.84/27,545.88
  6. Step 6: Final answer
    x = 23,358.02

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1.5x scale

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.