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Finding the Fourth Proportional to 58,218.72, 87,250.24 and 26,985.12

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Solution

The fourth proportional to 58,218.72, 87,250.24 and 26,985.12 is: 40,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,218.72 : 87,250.24 = 26,985.12 : x
  2. Step 2: Convert to fraction form
    58,218.72/87,250.24 = 26,985.12/x
  3. Step 3: Cross multiply
    58,218.72x = 87,250.24 × 26,985.12
  4. Step 4: Simplify right side
    58,218.72x = 2,354,458,196.43
  5. Step 5: Solve for x
    x = 2,354,458,196.43/58,218.72
  6. Step 6: Final answer
    x = 40,441.60

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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.