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Finding the Fourth Proportional to 58,265.76, 80,408.52 and 34,412.88

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Solution

The fourth proportional to 58,265.76, 80,408.52 and 34,412.88 is: 47,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,265.76 : 80,408.52 = 34,412.88 : x
  2. Step 2: Convert to fraction form
    58,265.76/80,408.52 = 34,412.88/x
  3. Step 3: Cross multiply
    58,265.76x = 80,408.52 × 34,412.88
  4. Step 4: Simplify right side
    58,265.76x = 2,767,088,749.74
  5. Step 5: Solve for x
    x = 2,767,088,749.74/58,265.76
  6. Step 6: Final answer
    x = 47,490.82

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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.