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Finding the Fourth Proportional to 19,752.62, 29,630.51 and 6,605.06

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Solution

The fourth proportional to 19,752.62, 29,630.51 and 6,605.06 is: 9,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.62 : 29,630.51 = 6,605.06 : x
  2. Step 2: Convert to fraction form
    19,752.62/29,630.51 = 6,605.06/x
  3. Step 3: Cross multiply
    19,752.62x = 29,630.51 × 6,605.06
  4. Step 4: Simplify right side
    19,752.62x = 195,711,296.38
  5. Step 5: Solve for x
    x = 195,711,296.38/19,752.62
  6. Step 6: Final answer
    x = 9,908.12

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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.