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Finding the Fourth Proportional to 27,892.79, 38,482.79 and 16,565.75

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Solution

The fourth proportional to 27,892.79, 38,482.79 and 16,565.75 is: 22,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.79 : 38,482.79 = 16,565.75 : x
  2. Step 2: Convert to fraction form
    27,892.79/38,482.79 = 16,565.75/x
  3. Step 3: Cross multiply
    27,892.79x = 38,482.79 × 16,565.75
  4. Step 4: Simplify right side
    27,892.79x = 637,496,003.20
  5. Step 5: Solve for x
    x = 637,496,003.20/27,892.79
  6. Step 6: Final answer
    x = 22,855.23

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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.