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Finding the Fourth Proportional to 10,010.70, 15,016.05 and 4,817.10

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Solution

The fourth proportional to 10,010.70, 15,016.05 and 4,817.10 is: 7,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.70 : 15,016.05 = 4,817.10 : x
  2. Step 2: Convert to fraction form
    10,010.70/15,016.05 = 4,817.10/x
  3. Step 3: Cross multiply
    10,010.70x = 15,016.05 × 4,817.10
  4. Step 4: Simplify right side
    10,010.70x = 72,333,814.46
  5. Step 5: Solve for x
    x = 72,333,814.46/10,010.70
  6. Step 6: Final answer
    x = 7,225.65

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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.