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Finding the Fourth Proportional to 65,447.40, 98,219.70 and 26,032.80

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Solution

The fourth proportional to 65,447.40, 98,219.70 and 26,032.80 is: 39,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,447.40 : 98,219.70 = 26,032.80 : x
  2. Step 2: Convert to fraction form
    65,447.40/98,219.70 = 26,032.80/x
  3. Step 3: Cross multiply
    65,447.40x = 98,219.70 × 26,032.80
  4. Step 4: Simplify right side
    65,447.40x = 2,556,933,806.16
  5. Step 5: Solve for x
    x = 2,556,933,806.16/65,447.40
  6. Step 6: Final answer
    x = 39,068.53

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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.