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Finding the Fourth Proportional to 71,409.42, 98,564.58 and 44,535.78

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Solution

The fourth proportional to 71,409.42, 98,564.58 and 44,535.78 is: 61,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,409.42 : 98,564.58 = 44,535.78 : x
  2. Step 2: Convert to fraction form
    71,409.42/98,564.58 = 44,535.78/x
  3. Step 3: Cross multiply
    71,409.42x = 98,564.58 × 44,535.78
  4. Step 4: Simplify right side
    71,409.42x = 4,389,650,450.67
  5. Step 5: Solve for x
    x = 4,389,650,450.67/71,409.42
  6. Step 6: Final answer
    x = 61,471.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.