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Finding the Fourth Proportional to 23,432.88, 32,340.36 and 13,364.88

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Solution

The fourth proportional to 23,432.88, 32,340.36 and 13,364.88 is: 18,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,432.88 : 32,340.36 = 13,364.88 : x
  2. Step 2: Convert to fraction form
    23,432.88/32,340.36 = 13,364.88/x
  3. Step 3: Cross multiply
    23,432.88x = 32,340.36 × 13,364.88
  4. Step 4: Simplify right side
    23,432.88x = 432,225,030.56
  5. Step 5: Solve for x
    x = 432,225,030.56/23,432.88
  6. Step 6: Final answer
    x = 18,445.24

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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.