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Finding the Fourth Proportional to 65,074.40, 97,611.60 and 25,632.80

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Solution

The fourth proportional to 65,074.40, 97,611.60 and 25,632.80 is: 38,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,074.40 : 97,611.60 = 25,632.80 : x
  2. Step 2: Convert to fraction form
    65,074.40/97,611.60 = 25,632.80/x
  3. Step 3: Cross multiply
    65,074.40x = 97,611.60 × 25,632.80
  4. Step 4: Simplify right side
    65,074.40x = 2,502,058,620.48
  5. Step 5: Solve for x
    x = 2,502,058,620.48/65,074.40
  6. Step 6: Final answer
    x = 38,449.20

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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.