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Finding the Fourth Proportional to 5,064.76, 6,987.76 and 3,493.77

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Solution

The fourth proportional to 5,064.76, 6,987.76 and 3,493.77 is: 4,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.76 : 6,987.76 = 3,493.77 : x
  2. Step 2: Convert to fraction form
    5,064.76/6,987.76 = 3,493.77/x
  3. Step 3: Cross multiply
    5,064.76x = 6,987.76 × 3,493.77
  4. Step 4: Simplify right side
    5,064.76x = 24,413,626.26
  5. Step 5: Solve for x
    x = 24,413,626.26/5,064.76
  6. Step 6: Final answer
    x = 4,820.29

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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.