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Finding the Fourth Proportional to 3,060.38, 4,590.59 and 751.88

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Solution

The fourth proportional to 3,060.38, 4,590.59 and 751.88 is: 1,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.38 : 4,590.59 = 751.88 : x
  2. Step 2: Convert to fraction form
    3,060.38/4,590.59 = 751.88/x
  3. Step 3: Cross multiply
    3,060.38x = 4,590.59 × 751.88
  4. Step 4: Simplify right side
    3,060.38x = 3,451,572.81
  5. Step 5: Solve for x
    x = 3,451,572.81/3,060.38
  6. Step 6: Final answer
    x = 1,127.82

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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.