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Finding the Fourth Proportional to 58,856.61, 81,221.85 and 34,671.63

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Solution

The fourth proportional to 58,856.61, 81,221.85 and 34,671.63 is: 47,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,856.61 : 81,221.85 = 34,671.63 : x
  2. Step 2: Convert to fraction form
    58,856.61/81,221.85 = 34,671.63/x
  3. Step 3: Cross multiply
    58,856.61x = 81,221.85 × 34,671.63
  4. Step 4: Simplify right side
    58,856.61x = 2,816,093,931.12
  5. Step 5: Solve for x
    x = 2,816,093,931.12/58,856.61
  6. Step 6: Final answer
    x = 47,846.69

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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.