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Finding the Fourth Proportional to 65,045.80, 97,568.70 and 25,589.80

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Solution

The fourth proportional to 65,045.80, 97,568.70 and 25,589.80 is: 38,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,045.80 : 97,568.70 = 25,589.80 : x
  2. Step 2: Convert to fraction form
    65,045.80/97,568.70 = 25,589.80/x
  3. Step 3: Cross multiply
    65,045.80x = 97,568.70 × 25,589.80
  4. Step 4: Simplify right side
    65,045.80x = 2,496,763,519.26
  5. Step 5: Solve for x
    x = 2,496,763,519.26/65,045.80
  6. Step 6: Final answer
    x = 38,384.70

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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.