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Finding the Fourth Proportional to 23,901.58, 32,984.20 and 13,291.20

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Solution

The fourth proportional to 23,901.58, 32,984.20 and 13,291.20 is: 18,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,901.58 : 32,984.20 = 13,291.20 : x
  2. Step 2: Convert to fraction form
    23,901.58/32,984.20 = 13,291.20/x
  3. Step 3: Cross multiply
    23,901.58x = 32,984.20 × 13,291.20
  4. Step 4: Simplify right side
    23,901.58x = 438,399,599.04
  5. Step 5: Solve for x
    x = 438,399,599.04/23,901.58
  6. Step 6: Final answer
    x = 18,341.87

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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.