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Finding the Fourth Proportional to 34,885.60, 52,251.60 and 30,277.60

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Solution

The fourth proportional to 34,885.60, 52,251.60 and 30,277.60 is: 45,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,885.60 : 52,251.60 = 30,277.60 : x
  2. Step 2: Convert to fraction form
    34,885.60/52,251.60 = 30,277.60/x
  3. Step 3: Cross multiply
    34,885.60x = 52,251.60 × 30,277.60
  4. Step 4: Simplify right side
    34,885.60x = 1,582,053,044.16
  5. Step 5: Solve for x
    x = 1,582,053,044.16/34,885.60
  6. Step 6: Final answer
    x = 45,349.74

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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.