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Finding the Fourth Proportional to 10,368.56, 15,552.84 and 6,880.52

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Solution

The fourth proportional to 10,368.56, 15,552.84 and 6,880.52 is: 10,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.56 : 15,552.84 = 6,880.52 : x
  2. Step 2: Convert to fraction form
    10,368.56/15,552.84 = 6,880.52/x
  3. Step 3: Cross multiply
    10,368.56x = 15,552.84 × 6,880.52
  4. Step 4: Simplify right side
    10,368.56x = 107,011,626.68
  5. Step 5: Solve for x
    x = 107,011,626.68/10,368.56
  6. Step 6: Final answer
    x = 10,320.78

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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.