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Finding the Fourth Proportional to 3,700.03, 5,547.88 and 1,234.21

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Solution

The fourth proportional to 3,700.03, 5,547.88 and 1,234.21 is: 1,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.03 : 5,547.88 = 1,234.21 : x
  2. Step 2: Convert to fraction form
    3,700.03/5,547.88 = 1,234.21/x
  3. Step 3: Cross multiply
    3,700.03x = 5,547.88 × 1,234.21
  4. Step 4: Simplify right side
    3,700.03x = 6,847,248.97
  5. Step 5: Solve for x
    x = 6,847,248.97/3,700.03
  6. Step 6: Final answer
    x = 1,850.59

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.