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Finding the Fourth Proportional to 58,199.84, 80,309.79 and 32,702.15

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Solution

The fourth proportional to 58,199.84, 80,309.79 and 32,702.15 is: 45,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,199.84 : 80,309.79 = 32,702.15 : x
  2. Step 2: Convert to fraction form
    58,199.84/80,309.79 = 32,702.15/x
  3. Step 3: Cross multiply
    58,199.84x = 80,309.79 × 32,702.15
  4. Step 4: Simplify right side
    58,199.84x = 2,626,302,799.05
  5. Step 5: Solve for x
    x = 2,626,302,799.05/58,199.84
  6. Step 6: Final answer
    x = 45,125.60

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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.