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Finding the Fourth Proportional to 58,878.12, 88,305.06 and 19,426.20

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Solution

The fourth proportional to 58,878.12, 88,305.06 and 19,426.20 is: 29,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,878.12 : 88,305.06 = 19,426.20 : x
  2. Step 2: Convert to fraction form
    58,878.12/88,305.06 = 19,426.20/x
  3. Step 3: Cross multiply
    58,878.12x = 88,305.06 × 19,426.20
  4. Step 4: Simplify right side
    58,878.12x = 1,715,431,756.57
  5. Step 5: Solve for x
    x = 1,715,431,756.57/58,878.12
  6. Step 6: Final answer
    x = 29,135.30

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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.