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Finding the Fourth Proportional to 5,510.68, 7,605.02 and 3,152.76

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Solution

The fourth proportional to 5,510.68, 7,605.02 and 3,152.76 is: 4,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.68 : 7,605.02 = 3,152.76 : x
  2. Step 2: Convert to fraction form
    5,510.68/7,605.02 = 3,152.76/x
  3. Step 3: Cross multiply
    5,510.68x = 7,605.02 × 3,152.76
  4. Step 4: Simplify right side
    5,510.68x = 23,976,802.86
  5. Step 5: Solve for x
    x = 23,976,802.86/5,510.68
  6. Step 6: Final answer
    x = 4,350.97

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.