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Finding the Fourth Proportional to 58,220.60, 87,330.90 and 26,630.60

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Solution

The fourth proportional to 58,220.60, 87,330.90 and 26,630.60 is: 39,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,220.60 : 87,330.90 = 26,630.60 : x
  2. Step 2: Convert to fraction form
    58,220.60/87,330.90 = 26,630.60/x
  3. Step 3: Cross multiply
    58,220.60x = 87,330.90 × 26,630.60
  4. Step 4: Simplify right side
    58,220.60x = 2,325,674,265.54
  5. Step 5: Solve for x
    x = 2,325,674,265.54/58,220.60
  6. Step 6: Final answer
    x = 39,945.90

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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.