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Finding the Fourth Proportional to 2,037.12, 3,055.68 and 498.12

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Solution

The fourth proportional to 2,037.12, 3,055.68 and 498.12 is: 747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.12 : 3,055.68 = 498.12 : x
  2. Step 2: Convert to fraction form
    2,037.12/3,055.68 = 498.12/x
  3. Step 3: Cross multiply
    2,037.12x = 3,055.68 × 498.12
  4. Step 4: Simplify right side
    2,037.12x = 1,522,095.32
  5. Step 5: Solve for x
    x = 1,522,095.32/2,037.12
  6. Step 6: Final answer
    x = 747.18

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Double scale
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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.