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Finding the Fourth Proportional to 21,592.61, 32,388.91 and 12,352.13

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Solution

The fourth proportional to 21,592.61, 32,388.91 and 12,352.13 is: 18,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.61 : 32,388.91 = 12,352.13 : x
  2. Step 2: Convert to fraction form
    21,592.61/32,388.91 = 12,352.13/x
  3. Step 3: Cross multiply
    21,592.61x = 32,388.91 × 12,352.13
  4. Step 4: Simplify right side
    21,592.61x = 400,071,834.05
  5. Step 5: Solve for x
    x = 400,071,834.05/21,592.61
  6. Step 6: Final answer
    x = 18,528.19

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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.