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Finding the Fourth Proportional to 65,925.60, 98,878.26 and 21,552.60

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Solution

The fourth proportional to 65,925.60, 98,878.26 and 21,552.60 is: 32,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,925.60 : 98,878.26 = 21,552.60 : x
  2. Step 2: Convert to fraction form
    65,925.60/98,878.26 = 21,552.60/x
  3. Step 3: Cross multiply
    65,925.60x = 98,878.26 × 21,552.60
  4. Step 4: Simplify right side
    65,925.60x = 2,131,083,586.48
  5. Step 5: Solve for x
    x = 2,131,083,586.48/65,925.60
  6. Step 6: Final answer
    x = 32,325.59

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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.