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Finding the Fourth Proportional to 52,356.97, 72,220.22 and 45,658.68

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Solution

The fourth proportional to 52,356.97, 72,220.22 and 45,658.68 is: 62,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,356.97 : 72,220.22 = 45,658.68 : x
  2. Step 2: Convert to fraction form
    52,356.97/72,220.22 = 45,658.68/x
  3. Step 3: Cross multiply
    52,356.97x = 72,220.22 × 45,658.68
  4. Step 4: Simplify right side
    52,356.97x = 3,297,479,914.51
  5. Step 5: Solve for x
    x = 3,297,479,914.51/52,356.97
  6. Step 6: Final answer
    x = 62,980.72

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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.