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Finding the Fourth Proportional to 14,920.65, 22,388.82 and 6,606.42

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Solution

The fourth proportional to 14,920.65, 22,388.82 and 6,606.42 is: 9,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.65 : 22,388.82 = 6,606.42 : x
  2. Step 2: Convert to fraction form
    14,920.65/22,388.82 = 6,606.42/x
  3. Step 3: Cross multiply
    14,920.65x = 22,388.82 × 6,606.42
  4. Step 4: Simplify right side
    14,920.65x = 147,909,948.22
  5. Step 5: Solve for x
    x = 147,909,948.22/14,920.65
  6. Step 6: Final answer
    x = 9,913.10

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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.