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Finding the Fourth Proportional to 52,017.97, 77,994.14 and 28,660.81

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Solution

The fourth proportional to 52,017.97, 77,994.14 and 28,660.81 is: 42,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017.97 : 77,994.14 = 28,660.81 : x
  2. Step 2: Convert to fraction form
    52,017.97/77,994.14 = 28,660.81/x
  3. Step 3: Cross multiply
    52,017.97x = 77,994.14 × 28,660.81
  4. Step 4: Simplify right side
    52,017.97x = 2,235,374,837.68
  5. Step 5: Solve for x
    x = 2,235,374,837.68/52,017.97
  6. Step 6: Final answer
    x = 42,973.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.