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Finding the Fourth Proportional to 26,801.66, 36,985.74 and 14,863.07

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Solution

The fourth proportional to 26,801.66, 36,985.74 and 14,863.07 is: 20,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,801.66 : 36,985.74 = 14,863.07 : x
  2. Step 2: Convert to fraction form
    26,801.66/36,985.74 = 14,863.07/x
  3. Step 3: Cross multiply
    26,801.66x = 36,985.74 × 14,863.07
  4. Step 4: Simplify right side
    26,801.66x = 549,721,642.62
  5. Step 5: Solve for x
    x = 549,721,642.62/26,801.66
  6. Step 6: Final answer
    x = 20,510.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.