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Finding the Fourth Proportional to 58,423.40, 80,612.26 and 34,550.76

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Solution

The fourth proportional to 58,423.40, 80,612.26 and 34,550.76 is: 47,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,423.40 : 80,612.26 = 34,550.76 : x
  2. Step 2: Convert to fraction form
    58,423.40/80,612.26 = 34,550.76/x
  3. Step 3: Cross multiply
    58,423.40x = 80,612.26 × 34,550.76
  4. Step 4: Simplify right side
    58,423.40x = 2,785,214,848.32
  5. Step 5: Solve for x
    x = 2,785,214,848.32/58,423.40
  6. Step 6: Final answer
    x = 47,672.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.