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Finding the Fourth Proportional to 62,207.40, 85,845.78 and 35,347.80

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Solution

The fourth proportional to 62,207.40, 85,845.78 and 35,347.80 is: 48,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,207.40 : 85,845.78 = 35,347.80 : x
  2. Step 2: Convert to fraction form
    62,207.40/85,845.78 = 35,347.80/x
  3. Step 3: Cross multiply
    62,207.40x = 85,845.78 × 35,347.80
  4. Step 4: Simplify right side
    62,207.40x = 3,034,459,462.28
  5. Step 5: Solve for x
    x = 3,034,459,462.28/62,207.40
  6. Step 6: Final answer
    x = 48,779.72

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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.