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Finding the Fourth Proportional to 8,395.46, 12,565.51 and 4,641.47

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Solution

The fourth proportional to 8,395.46, 12,565.51 and 4,641.47 is: 6,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.46 : 12,565.51 = 4,641.47 : x
  2. Step 2: Convert to fraction form
    8,395.46/12,565.51 = 4,641.47/x
  3. Step 3: Cross multiply
    8,395.46x = 12,565.51 × 4,641.47
  4. Step 4: Simplify right side
    8,395.46x = 58,322,467.90
  5. Step 5: Solve for x
    x = 58,322,467.90/8,395.46
  6. Step 6: Final answer
    x = 6,946.90

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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.