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Finding the Fourth Proportional to 27,482.92, 37,926.54 and 14,907.76

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Solution

The fourth proportional to 27,482.92, 37,926.54 and 14,907.76 is: 20,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,482.92 : 37,926.54 = 14,907.76 : x
  2. Step 2: Convert to fraction form
    27,482.92/37,926.54 = 14,907.76/x
  3. Step 3: Cross multiply
    27,482.92x = 37,926.54 × 14,907.76
  4. Step 4: Simplify right side
    27,482.92x = 565,399,755.95
  5. Step 5: Solve for x
    x = 565,399,755.95/27,482.92
  6. Step 6: Final answer
    x = 20,572.77

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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.