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Finding the Fourth Proportional to 14,980.71, 22,471.16 and 6,658.77

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Solution

The fourth proportional to 14,980.71, 22,471.16 and 6,658.77 is: 9,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.71 : 22,471.16 = 6,658.77 : x
  2. Step 2: Convert to fraction form
    14,980.71/22,471.16 = 6,658.77/x
  3. Step 3: Cross multiply
    14,980.71x = 22,471.16 × 6,658.77
  4. Step 4: Simplify right side
    14,980.71x = 149,630,286.07
  5. Step 5: Solve for x
    x = 149,630,286.07/14,980.71
  6. Step 6: Final answer
    x = 9,988.20

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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.