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Finding the Fourth Proportional to 58,560.39, 80,813.30 and 31,702.88

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Solution

The fourth proportional to 58,560.39, 80,813.30 and 31,702.88 is: 43,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,560.39 : 80,813.30 = 31,702.88 : x
  2. Step 2: Convert to fraction form
    58,560.39/80,813.30 = 31,702.88/x
  3. Step 3: Cross multiply
    58,560.39x = 80,813.30 × 31,702.88
  4. Step 4: Simplify right side
    58,560.39x = 2,562,014,395.82
  5. Step 5: Solve for x
    x = 2,562,014,395.82/58,560.39
  6. Step 6: Final answer
    x = 43,749.95

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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.