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Finding the Fourth Proportional to 16,499.81, 24,762.01 and 6,639.17

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Solution

The fourth proportional to 16,499.81, 24,762.01 and 6,639.17 is: 9,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,499.81 : 24,762.01 = 6,639.17 : x
  2. Step 2: Convert to fraction form
    16,499.81/24,762.01 = 6,639.17/x
  3. Step 3: Cross multiply
    16,499.81x = 24,762.01 × 6,639.17
  4. Step 4: Simplify right side
    16,499.81x = 164,399,210.53
  5. Step 5: Solve for x
    x = 164,399,210.53/16,499.81
  6. Step 6: Final answer
    x = 9,963.70

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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.