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Finding the Fourth Proportional to 29,068.80, 43,545.60 and 15,897.60

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Solution

The fourth proportional to 29,068.80, 43,545.60 and 15,897.60 is: 23,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068.80 : 43,545.60 = 15,897.60 : x
  2. Step 2: Convert to fraction form
    29,068.80/43,545.60 = 15,897.60/x
  3. Step 3: Cross multiply
    29,068.80x = 43,545.60 × 15,897.60
  4. Step 4: Simplify right side
    29,068.80x = 692,270,530.56
  5. Step 5: Solve for x
    x = 692,270,530.56/29,068.80
  6. Step 6: Final answer
    x = 23,814.90

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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.