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Finding the Fourth Proportional to 32,352.48, 44,616.88 and 20,402.40

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Solution

The fourth proportional to 32,352.48, 44,616.88 and 20,402.40 is: 28,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,352.48 : 44,616.88 = 20,402.40 : x
  2. Step 2: Convert to fraction form
    32,352.48/44,616.88 = 20,402.40/x
  3. Step 3: Cross multiply
    32,352.48x = 44,616.88 × 20,402.40
  4. Step 4: Simplify right side
    32,352.48x = 910,291,432.51
  5. Step 5: Solve for x
    x = 910,291,432.51/32,352.48
  6. Step 6: Final answer
    x = 28,136.68

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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.