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Finding the Fourth Proportional to 72,897.72, 100,596.28 and 44,220.66

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Solution

The fourth proportional to 72,897.72, 100,596.28 and 44,220.66 is: 61,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,897.72 : 100,596.28 = 44,220.66 : x
  2. Step 2: Convert to fraction form
    72,897.72/100,596.28 = 44,220.66/x
  3. Step 3: Cross multiply
    72,897.72x = 100,596.28 × 44,220.66
  4. Step 4: Simplify right side
    72,897.72x = 4,448,433,895.14
  5. Step 5: Solve for x
    x = 4,448,433,895.14/72,897.72
  6. Step 6: Final answer
    x = 61,022.95

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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.