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Finding the Fourth Proportional to 7,340.87, 10,125.90 and 4,354.70

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Solution

The fourth proportional to 7,340.87, 10,125.90 and 4,354.70 is: 6,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.87 : 10,125.90 = 4,354.70 : x
  2. Step 2: Convert to fraction form
    7,340.87/10,125.90 = 4,354.70/x
  3. Step 3: Cross multiply
    7,340.87x = 10,125.90 × 4,354.70
  4. Step 4: Simplify right side
    7,340.87x = 44,095,206.10
  5. Step 5: Solve for x
    x = 44,095,206.10/7,340.87
  6. Step 6: Final answer
    x = 6,006.81

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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.