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Finding the Fourth Proportional to 43,000.88, 64,503.74 and 15,298.88

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Solution

The fourth proportional to 43,000.88, 64,503.74 and 15,298.88 is: 22,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,000.88 : 64,503.74 = 15,298.88 : x
  2. Step 2: Convert to fraction form
    43,000.88/64,503.74 = 15,298.88/x
  3. Step 3: Cross multiply
    43,000.88x = 64,503.74 × 15,298.88
  4. Step 4: Simplify right side
    43,000.88x = 986,834,693.54
  5. Step 5: Solve for x
    x = 986,834,693.54/43,000.88
  6. Step 6: Final answer
    x = 22,949.18

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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.