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Finding the Fourth Proportional to 51,241.68, 70,713.62 and 28,582.14

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Solution

The fourth proportional to 51,241.68, 70,713.62 and 28,582.14 is: 39,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,241.68 : 70,713.62 = 28,582.14 : x
  2. Step 2: Convert to fraction form
    51,241.68/70,713.62 = 28,582.14/x
  3. Step 3: Cross multiply
    51,241.68x = 70,713.62 × 28,582.14
  4. Step 4: Simplify right side
    51,241.68x = 2,021,146,515.29
  5. Step 5: Solve for x
    x = 2,021,146,515.29/51,241.68
  6. Step 6: Final answer
    x = 39,443.41

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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.