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Finding the Fourth Proportional to 58,997.60, 88,350.60 and 39,168.80

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Solution

The fourth proportional to 58,997.60, 88,350.60 and 39,168.80 is: 58,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,997.60 : 88,350.60 = 39,168.80 : x
  2. Step 2: Convert to fraction form
    58,997.60/88,350.60 = 39,168.80/x
  3. Step 3: Cross multiply
    58,997.60x = 88,350.60 × 39,168.80
  4. Step 4: Simplify right side
    58,997.60x = 3,460,586,981.28
  5. Step 5: Solve for x
    x = 3,460,586,981.28/58,997.60
  6. Step 6: Final answer
    x = 58,656.40

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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.