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Finding the Fourth Proportional to 65,531.84, 98,138.59 and 37,366.92

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Solution

The fourth proportional to 65,531.84, 98,138.59 and 37,366.92 is: 55,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,531.84 : 98,138.59 = 37,366.92 : x
  2. Step 2: Convert to fraction form
    65,531.84/98,138.59 = 37,366.92/x
  3. Step 3: Cross multiply
    65,531.84x = 98,138.59 × 37,366.92
  4. Step 4: Simplify right side
    65,531.84x = 3,667,136,748.03
  5. Step 5: Solve for x
    x = 3,667,136,748.03/65,531.84
  6. Step 6: Final answer
    x = 55,959.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.