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Finding the Fourth Proportional to 65,301.70, 97,989.46 and 27,858.23

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Solution

The fourth proportional to 65,301.70, 97,989.46 and 27,858.23 is: 41,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,301.70 : 97,989.46 = 27,858.23 : x
  2. Step 2: Convert to fraction form
    65,301.70/97,989.46 = 27,858.23/x
  3. Step 3: Cross multiply
    65,301.70x = 97,989.46 × 27,858.23
  4. Step 4: Simplify right side
    65,301.70x = 2,729,813,089.58
  5. Step 5: Solve for x
    x = 2,729,813,089.58/65,301.70
  6. Step 6: Final answer
    x = 41,803.10

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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.