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Finding the Fourth Proportional to 58,999.60, 88,353.60 and 39,170.80

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Solution

The fourth proportional to 58,999.60, 88,353.60 and 39,170.80 is: 58,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,999.60 : 88,353.60 = 39,170.80 : x
  2. Step 2: Convert to fraction form
    58,999.60/88,353.60 = 39,170.80/x
  3. Step 3: Cross multiply
    58,999.60x = 88,353.60 × 39,170.80
  4. Step 4: Simplify right side
    58,999.60x = 3,460,881,194.88
  5. Step 5: Solve for x
    x = 3,460,881,194.88/58,999.60
  6. Step 6: Final answer
    x = 58,659.40

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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.