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Finding the Fourth Proportional to 69,060.62, 103,590.93 and 45,681.59

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Solution

The fourth proportional to 69,060.62, 103,590.93 and 45,681.59 is: 68,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,060.62 : 103,590.93 = 45,681.59 : x
  2. Step 2: Convert to fraction form
    69,060.62/103,590.93 = 45,681.59/x
  3. Step 3: Cross multiply
    69,060.62x = 103,590.93 × 45,681.59
  4. Step 4: Simplify right side
    69,060.62x = 4,732,198,391.98
  5. Step 5: Solve for x
    x = 4,732,198,391.98/69,060.62
  6. Step 6: Final answer
    x = 68,522.39

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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.