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Finding the Fourth Proportional to 23,655.72, 32,645.10 and 13,045.72

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Solution

The fourth proportional to 23,655.72, 32,645.10 and 13,045.72 is: 18,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,655.72 : 32,645.10 = 13,045.72 : x
  2. Step 2: Convert to fraction form
    23,655.72/32,645.10 = 13,045.72/x
  3. Step 3: Cross multiply
    23,655.72x = 32,645.10 × 13,045.72
  4. Step 4: Simplify right side
    23,655.72x = 425,878,833.97
  5. Step 5: Solve for x
    x = 425,878,833.97/23,655.72
  6. Step 6: Final answer
    x = 18,003.21

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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.