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Finding the Fourth Proportional to 65,895.40, 98,843.10 and 58,637.80

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Solution

The fourth proportional to 65,895.40, 98,843.10 and 58,637.80 is: 87,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,895.40 : 98,843.10 = 58,637.80 : x
  2. Step 2: Convert to fraction form
    65,895.40/98,843.10 = 58,637.80/x
  3. Step 3: Cross multiply
    65,895.40x = 98,843.10 × 58,637.80
  4. Step 4: Simplify right side
    65,895.40x = 5,795,941,929.18
  5. Step 5: Solve for x
    x = 5,795,941,929.18/65,895.40
  6. Step 6: Final answer
    x = 87,956.70

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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.