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Finding the Fourth Proportional to 58,908.60, 87,988.32 and 50,612.76

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Solution

The fourth proportional to 58,908.60, 87,988.32 and 50,612.76 is: 75,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,908.60 : 87,988.32 = 50,612.76 : x
  2. Step 2: Convert to fraction form
    58,908.60/87,988.32 = 50,612.76/x
  3. Step 3: Cross multiply
    58,908.60x = 87,988.32 × 50,612.76
  4. Step 4: Simplify right side
    58,908.60x = 4,453,331,722.96
  5. Step 5: Solve for x
    x = 4,453,331,722.96/58,908.60
  6. Step 6: Final answer
    x = 75,597.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.