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Finding the Fourth Proportional to 61,437.40, 92,156.10 and 21,995.80

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Solution

The fourth proportional to 61,437.40, 92,156.10 and 21,995.80 is: 32,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,437.40 : 92,156.10 = 21,995.80 : x
  2. Step 2: Convert to fraction form
    61,437.40/92,156.10 = 21,995.80/x
  3. Step 3: Cross multiply
    61,437.40x = 92,156.10 × 21,995.80
  4. Step 4: Simplify right side
    61,437.40x = 2,027,047,144.38
  5. Step 5: Solve for x
    x = 2,027,047,144.38/61,437.40
  6. Step 6: Final answer
    x = 32,993.70

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Double scale
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Similar ratio
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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.