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Finding the Fourth Proportional to 52,297.80, 72,171.53 and 28,424.48

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Solution

The fourth proportional to 52,297.80, 72,171.53 and 28,424.48 is: 39,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,297.80 : 72,171.53 = 28,424.48 : x
  2. Step 2: Convert to fraction form
    52,297.80/72,171.53 = 28,424.48/x
  3. Step 3: Cross multiply
    52,297.80x = 72,171.53 × 28,424.48
  4. Step 4: Simplify right side
    52,297.80x = 2,051,437,708.07
  5. Step 5: Solve for x
    x = 2,051,437,708.07/52,297.80
  6. Step 6: Final answer
    x = 39,226.08

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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.