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Finding the Fourth Proportional to 32,572.79, 44,948.37 and 18,230.21

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Solution

The fourth proportional to 32,572.79, 44,948.37 and 18,230.21 is: 25,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,572.79 : 44,948.37 = 18,230.21 : x
  2. Step 2: Convert to fraction form
    32,572.79/44,948.37 = 18,230.21/x
  3. Step 3: Cross multiply
    32,572.79x = 44,948.37 × 18,230.21
  4. Step 4: Simplify right side
    32,572.79x = 819,418,083.79
  5. Step 5: Solve for x
    x = 819,418,083.79/32,572.79
  6. Step 6: Final answer
    x = 25,156.52

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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.