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Finding the Fourth Proportional to 71,623.02, 98,854.02 and 41,406.89

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Solution

The fourth proportional to 71,623.02, 98,854.02 and 41,406.89 is: 57,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,623.02 : 98,854.02 = 41,406.89 : x
  2. Step 2: Convert to fraction form
    71,623.02/98,854.02 = 41,406.89/x
  3. Step 3: Cross multiply
    71,623.02x = 98,854.02 × 41,406.89
  4. Step 4: Simplify right side
    71,623.02x = 4,093,237,037.93
  5. Step 5: Solve for x
    x = 4,093,237,037.93/71,623.02
  6. Step 6: Final answer
    x = 57,149.74

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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.