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Finding the Fourth Proportional to 58,894.80, 88,342.20 and 52,443.60

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Solution

The fourth proportional to 58,894.80, 88,342.20 and 52,443.60 is: 78,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,894.80 : 88,342.20 = 52,443.60 : x
  2. Step 2: Convert to fraction form
    58,894.80/88,342.20 = 52,443.60/x
  3. Step 3: Cross multiply
    58,894.80x = 88,342.20 × 52,443.60
  4. Step 4: Simplify right side
    58,894.80x = 4,632,982,999.92
  5. Step 5: Solve for x
    x = 4,632,982,999.92/58,894.80
  6. Step 6: Final answer
    x = 78,665.40

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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.