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Finding the Fourth Proportional to 32,359.60, 44,656 and 18,212.16

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Solution

The fourth proportional to 32,359.60, 44,656 and 18,212.16 is: 25,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,359.60 : 44,656 = 18,212.16 : x
  2. Step 2: Convert to fraction form
    32,359.60/44,656 = 18,212.16/x
  3. Step 3: Cross multiply
    32,359.60x = 44,656 × 18,212.16
  4. Step 4: Simplify right side
    32,359.60x = 813,282,216.96
  5. Step 5: Solve for x
    x = 813,282,216.96/32,359.60
  6. Step 6: Final answer
    x = 25,132.64

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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.