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Finding the Fourth Proportional to 7,602.87, 10,469.07 and 6,113.28

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Solution

The fourth proportional to 7,602.87, 10,469.07 and 6,113.28 is: 8,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.87 : 10,469.07 = 6,113.28 : x
  2. Step 2: Convert to fraction form
    7,602.87/10,469.07 = 6,113.28/x
  3. Step 3: Cross multiply
    7,602.87x = 10,469.07 × 6,113.28
  4. Step 4: Simplify right side
    7,602.87x = 64,000,356.25
  5. Step 5: Solve for x
    x = 64,000,356.25/7,602.87
  6. Step 6: Final answer
    x = 8,417.92

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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.