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Finding the Fourth Proportional to 15,407.52, 23,111.27 and 5,019.27

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Solution

The fourth proportional to 15,407.52, 23,111.27 and 5,019.27 is: 7,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.52 : 23,111.27 = 5,019.27 : x
  2. Step 2: Convert to fraction form
    15,407.52/23,111.27 = 5,019.27/x
  3. Step 3: Cross multiply
    15,407.52x = 23,111.27 × 5,019.27
  4. Step 4: Simplify right side
    15,407.52x = 116,001,704.17
  5. Step 5: Solve for x
    x = 116,001,704.17/15,407.52
  6. Step 6: Final answer
    x = 7,528.90

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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.