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Finding the Fourth Proportional to 65,207.40, 97,811.10 and 41,860.20

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Solution

The fourth proportional to 65,207.40, 97,811.10 and 41,860.20 is: 62,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207.40 : 97,811.10 = 41,860.20 : x
  2. Step 2: Convert to fraction form
    65,207.40/97,811.10 = 41,860.20/x
  3. Step 3: Cross multiply
    65,207.40x = 97,811.10 × 41,860.20
  4. Step 4: Simplify right side
    65,207.40x = 4,094,392,208.22
  5. Step 5: Solve for x
    x = 4,094,392,208.22/65,207.40
  6. Step 6: Final answer
    x = 62,790.30

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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.