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Finding the Fourth Proportional to 10,607.98, 14,639.49 and 6,359.74

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Solution

The fourth proportional to 10,607.98, 14,639.49 and 6,359.74 is: 8,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.98 : 14,639.49 = 6,359.74 : x
  2. Step 2: Convert to fraction form
    10,607.98/14,639.49 = 6,359.74/x
  3. Step 3: Cross multiply
    10,607.98x = 14,639.49 × 6,359.74
  4. Step 4: Simplify right side
    10,607.98x = 93,103,350.13
  5. Step 5: Solve for x
    x = 93,103,350.13/10,607.98
  6. Step 6: Final answer
    x = 8,776.73

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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.