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Finding the Fourth Proportional to 58,863.90, 88,291.80 and 18,882.30

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Solution

The fourth proportional to 58,863.90, 88,291.80 and 18,882.30 is: 28,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,863.90 : 88,291.80 = 18,882.30 : x
  2. Step 2: Convert to fraction form
    58,863.90/88,291.80 = 18,882.30/x
  3. Step 3: Cross multiply
    58,863.90x = 88,291.80 × 18,882.30
  4. Step 4: Simplify right side
    58,863.90x = 1,667,152,255.14
  5. Step 5: Solve for x
    x = 1,667,152,255.14/58,863.90
  6. Step 6: Final answer
    x = 28,322.15

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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.