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Finding the Fourth Proportional to 5,000.70, 7,501.05 and 4,443.90

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Solution

The fourth proportional to 5,000.70, 7,501.05 and 4,443.90 is: 6,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.70 : 7,501.05 = 4,443.90 : x
  2. Step 2: Convert to fraction form
    5,000.70/7,501.05 = 4,443.90/x
  3. Step 3: Cross multiply
    5,000.70x = 7,501.05 × 4,443.90
  4. Step 4: Simplify right side
    5,000.70x = 33,333,916.10
  5. Step 5: Solve for x
    x = 33,333,916.10/5,000.70
  6. Step 6: Final answer
    x = 6,665.85

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Double scale
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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.