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Finding the Fourth Proportional to 7,253.46, 10,885.71 and 4,787.46

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Solution

The fourth proportional to 7,253.46, 10,885.71 and 4,787.46 is: 7,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.46 : 10,885.71 = 4,787.46 : x
  2. Step 2: Convert to fraction form
    7,253.46/10,885.71 = 4,787.46/x
  3. Step 3: Cross multiply
    7,253.46x = 10,885.71 × 4,787.46
  4. Step 4: Simplify right side
    7,253.46x = 52,114,901.20
  5. Step 5: Solve for x
    x = 52,114,901.20/7,253.46
  6. Step 6: Final answer
    x = 7,184.83

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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.