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Finding the Fourth Proportional to 65,337.64, 90,186.50 and 37,062.12

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Solution

The fourth proportional to 65,337.64, 90,186.50 and 37,062.12 is: 51,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337.64 : 90,186.50 = 37,062.12 : x
  2. Step 2: Convert to fraction form
    65,337.64/90,186.50 = 37,062.12/x
  3. Step 3: Cross multiply
    65,337.64x = 90,186.50 × 37,062.12
  4. Step 4: Simplify right side
    65,337.64x = 3,342,502,885.38
  5. Step 5: Solve for x
    x = 3,342,502,885.38/65,337.64
  6. Step 6: Final answer
    x = 51,157.39

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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.