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Finding the Fourth Proportional to 6,496.80, 9,752.40 and 5,042.40

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Solution

The fourth proportional to 6,496.80, 9,752.40 and 5,042.40 is: 7,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,496.80 : 9,752.40 = 5,042.40 : x
  2. Step 2: Convert to fraction form
    6,496.80/9,752.40 = 5,042.40/x
  3. Step 3: Cross multiply
    6,496.80x = 9,752.40 × 5,042.40
  4. Step 4: Simplify right side
    6,496.80x = 49,175,501.76
  5. Step 5: Solve for x
    x = 49,175,501.76/6,496.80
  6. Step 6: Final answer
    x = 7,569.19

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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.