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Finding the Fourth Proportional to 65,105.79, 97,670.85 and 29,569.59

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Solution

The fourth proportional to 65,105.79, 97,670.85 and 29,569.59 is: 44,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,105.79 : 97,670.85 = 29,569.59 : x
  2. Step 2: Convert to fraction form
    65,105.79/97,670.85 = 29,569.59/x
  3. Step 3: Cross multiply
    65,105.79x = 97,670.85 × 29,569.59
  4. Step 4: Simplify right side
    65,105.79x = 2,888,086,989.45
  5. Step 5: Solve for x
    x = 2,888,086,989.45/65,105.79
  6. Step 6: Final answer
    x = 44,359.91

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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.