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Finding the Fourth Proportional to 32,154.76, 44,343.90 and 22,065.40

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Solution

The fourth proportional to 32,154.76, 44,343.90 and 22,065.40 is: 30,429.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,154.76 : 44,343.90 = 22,065.40 : x
  2. Step 2: Convert to fraction form
    32,154.76/44,343.90 = 22,065.40/x
  3. Step 3: Cross multiply
    32,154.76x = 44,343.90 × 22,065.40
  4. Step 4: Simplify right side
    32,154.76x = 978,465,891.06
  5. Step 5: Solve for x
    x = 978,465,891.06/32,154.76
  6. Step 6: Final answer
    x = 30,429.89

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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.