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Finding the Fourth Proportional to 19,841.56, 29,763.02 and 9,975.45

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Solution

The fourth proportional to 19,841.56, 29,763.02 and 9,975.45 is: 14,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.56 : 29,763.02 = 9,975.45 : x
  2. Step 2: Convert to fraction form
    19,841.56/29,763.02 = 9,975.45/x
  3. Step 3: Cross multiply
    19,841.56x = 29,763.02 × 9,975.45
  4. Step 4: Simplify right side
    19,841.56x = 296,899,626.35
  5. Step 5: Solve for x
    x = 296,899,626.35/19,841.56
  6. Step 6: Final answer
    x = 14,963.52

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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.