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Finding the Fourth Proportional to 15,920.01, 23,884.07 and 9,351.72

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Solution

The fourth proportional to 15,920.01, 23,884.07 and 9,351.72 is: 14,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.01 : 23,884.07 = 9,351.72 : x
  2. Step 2: Convert to fraction form
    15,920.01/23,884.07 = 9,351.72/x
  3. Step 3: Cross multiply
    15,920.01x = 23,884.07 × 9,351.72
  4. Step 4: Simplify right side
    15,920.01x = 223,357,088.34
  5. Step 5: Solve for x
    x = 223,357,088.34/15,920.01
  6. Step 6: Final answer
    x = 14,029.96

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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.