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Finding the Fourth Proportional to 37,997.66, 52,436.64 and 21,230.66

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Solution

The fourth proportional to 37,997.66, 52,436.64 and 21,230.66 is: 29,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,997.66 : 52,436.64 = 21,230.66 : x
  2. Step 2: Convert to fraction form
    37,997.66/52,436.64 = 21,230.66/x
  3. Step 3: Cross multiply
    37,997.66x = 52,436.64 × 21,230.66
  4. Step 4: Simplify right side
    37,997.66x = 1,113,264,475.38
  5. Step 5: Solve for x
    x = 1,113,264,475.38/37,997.66
  6. Step 6: Final answer
    x = 29,298.24

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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.