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Finding the Fourth Proportional to 6,432.32, 8,868.36 and 5,103.74

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Solution

The fourth proportional to 6,432.32, 8,868.36 and 5,103.74 is: 7,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.32 : 8,868.36 = 5,103.74 : x
  2. Step 2: Convert to fraction form
    6,432.32/8,868.36 = 5,103.74/x
  3. Step 3: Cross multiply
    6,432.32x = 8,868.36 × 5,103.74
  4. Step 4: Simplify right side
    6,432.32x = 45,261,803.67
  5. Step 5: Solve for x
    x = 45,261,803.67/6,432.32
  6. Step 6: Final answer
    x = 7,036.62

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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.