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Finding the Fourth Proportional to 15,607.47, 23,400.27 and 5,745.47

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Solution

The fourth proportional to 15,607.47, 23,400.27 and 5,745.47 is: 8,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.47 : 23,400.27 = 5,745.47 : x
  2. Step 2: Convert to fraction form
    15,607.47/23,400.27 = 5,745.47/x
  3. Step 3: Cross multiply
    15,607.47x = 23,400.27 × 5,745.47
  4. Step 4: Simplify right side
    15,607.47x = 134,445,629.32
  5. Step 5: Solve for x
    x = 134,445,629.32/15,607.47
  6. Step 6: Final answer
    x = 8,614.18

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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.