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Finding the Fourth Proportional to 19,641.96, 29,461.98 and 7,329

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Solution

The fourth proportional to 19,641.96, 29,461.98 and 7,329 is: 10,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.96 : 29,461.98 = 7,329 : x
  2. Step 2: Convert to fraction form
    19,641.96/29,461.98 = 7,329/x
  3. Step 3: Cross multiply
    19,641.96x = 29,461.98 × 7,329
  4. Step 4: Simplify right side
    19,641.96x = 215,926,851.42
  5. Step 5: Solve for x
    x = 215,926,851.42/19,641.96
  6. Step 6: Final answer
    x = 10,993.14

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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.