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Finding the Fourth Proportional to 5,931.70, 8,897.55 and 5,845.30

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Solution

The fourth proportional to 5,931.70, 8,897.55 and 5,845.30 is: 8,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.70 : 8,897.55 = 5,845.30 : x
  2. Step 2: Convert to fraction form
    5,931.70/8,897.55 = 5,845.30/x
  3. Step 3: Cross multiply
    5,931.70x = 8,897.55 × 5,845.30
  4. Step 4: Simplify right side
    5,931.70x = 52,008,849.02
  5. Step 5: Solve for x
    x = 52,008,849.02/5,931.70
  6. Step 6: Final answer
    x = 8,767.95

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Similar ratio
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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.