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Finding the Fourth Proportional to 58,503.97, 80,709.84 and 34,292.66

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Solution

The fourth proportional to 58,503.97, 80,709.84 and 34,292.66 is: 47,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,503.97 : 80,709.84 = 34,292.66 : x
  2. Step 2: Convert to fraction form
    58,503.97/80,709.84 = 34,292.66/x
  3. Step 3: Cross multiply
    58,503.97x = 80,709.84 × 34,292.66
  4. Step 4: Simplify right side
    58,503.97x = 2,767,754,728.54
  5. Step 5: Solve for x
    x = 2,767,754,728.54/58,503.97
  6. Step 6: Final answer
    x = 47,308.84

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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.