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Finding the Fourth Proportional to 58,155.84, 87,251.22 and 18,173.21

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Solution

The fourth proportional to 58,155.84, 87,251.22 and 18,173.21 is: 27,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,155.84 : 87,251.22 = 18,173.21 : x
  2. Step 2: Convert to fraction form
    58,155.84/87,251.22 = 18,173.21/x
  3. Step 3: Cross multiply
    58,155.84x = 87,251.22 × 18,173.21
  4. Step 4: Simplify right side
    58,155.84x = 1,585,634,307.56
  5. Step 5: Solve for x
    x = 1,585,634,307.56/58,155.84
  6. Step 6: Final answer
    x = 27,265.26

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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.