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Finding the Fourth Proportional to 35,545.62, 53,306.13 and 19,774.62

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Solution

The fourth proportional to 35,545.62, 53,306.13 and 19,774.62 is: 29,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.62 : 53,306.13 = 19,774.62 : x
  2. Step 2: Convert to fraction form
    35,545.62/53,306.13 = 19,774.62/x
  3. Step 3: Cross multiply
    35,545.62x = 53,306.13 × 19,774.62
  4. Step 4: Simplify right side
    35,545.62x = 1,054,108,464.42
  5. Step 5: Solve for x
    x = 1,054,108,464.42/35,545.62
  6. Step 6: Final answer
    x = 29,655.09

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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.