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Finding the Fourth Proportional to 26,699.40, 40,036.95 and 14,216.22

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Solution

The fourth proportional to 26,699.40, 40,036.95 and 14,216.22 is: 21,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699.40 : 40,036.95 = 14,216.22 : x
  2. Step 2: Convert to fraction form
    26,699.40/40,036.95 = 14,216.22/x
  3. Step 3: Cross multiply
    26,699.40x = 40,036.95 × 14,216.22
  4. Step 4: Simplify right side
    26,699.40x = 569,174,089.33
  5. Step 5: Solve for x
    x = 569,174,089.33/26,699.40
  6. Step 6: Final answer
    x = 21,317.86

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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.