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Finding the Fourth Proportional to 26,652.48, 39,978.86 and 11,070.12

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Solution

The fourth proportional to 26,652.48, 39,978.86 and 11,070.12 is: 16,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,652.48 : 39,978.86 = 11,070.12 : x
  2. Step 2: Convert to fraction form
    26,652.48/39,978.86 = 11,070.12/x
  3. Step 3: Cross multiply
    26,652.48x = 39,978.86 × 11,070.12
  4. Step 4: Simplify right side
    26,652.48x = 442,570,722.31
  5. Step 5: Solve for x
    x = 442,570,722.31/26,652.48
  6. Step 6: Final answer
    x = 16,605.24

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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.