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Finding the Fourth Proportional to 17,882.76, 24,678.74 and 9,925.72

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Solution

The fourth proportional to 17,882.76, 24,678.74 and 9,925.72 is: 13,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,882.76 : 24,678.74 = 9,925.72 : x
  2. Step 2: Convert to fraction form
    17,882.76/24,678.74 = 9,925.72/x
  3. Step 3: Cross multiply
    17,882.76x = 24,678.74 × 9,925.72
  4. Step 4: Simplify right side
    17,882.76x = 244,954,263.19
  5. Step 5: Solve for x
    x = 244,954,263.19/17,882.76
  6. Step 6: Final answer
    x = 13,697.79

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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.