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Finding the Fourth Proportional to 15,463.68, 23,009.52 and 15,411.84

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Solution

The fourth proportional to 15,463.68, 23,009.52 and 15,411.84 is: 22,932.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,463.68 : 23,009.52 = 15,411.84 : x
  2. Step 2: Convert to fraction form
    15,463.68/23,009.52 = 15,411.84/x
  3. Step 3: Cross multiply
    15,463.68x = 23,009.52 × 15,411.84
  4. Step 4: Simplify right side
    15,463.68x = 354,619,040.72
  5. Step 5: Solve for x
    x = 354,619,040.72/15,463.68
  6. Step 6: Final answer
    x = 22,932.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.