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Finding the Fourth Proportional to 65,206.60, 97,809.90 and 15,958.60

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Solution

The fourth proportional to 65,206.60, 97,809.90 and 15,958.60 is: 23,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,206.60 : 97,809.90 = 15,958.60 : x
  2. Step 2: Convert to fraction form
    65,206.60/97,809.90 = 15,958.60/x
  3. Step 3: Cross multiply
    65,206.60x = 97,809.90 × 15,958.60
  4. Step 4: Simplify right side
    65,206.60x = 1,560,909,070.14
  5. Step 5: Solve for x
    x = 1,560,909,070.14/65,206.60
  6. Step 6: Final answer
    x = 23,937.90

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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.