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Finding the Fourth Proportional to 27,025.95, 40,538.93 and 13,869.93

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Solution

The fourth proportional to 27,025.95, 40,538.93 and 13,869.93 is: 20,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,025.95 : 40,538.93 = 13,869.93 : x
  2. Step 2: Convert to fraction form
    27,025.95/40,538.93 = 13,869.93/x
  3. Step 3: Cross multiply
    27,025.95x = 40,538.93 × 13,869.93
  4. Step 4: Simplify right side
    27,025.95x = 562,272,121.37
  5. Step 5: Solve for x
    x = 562,272,121.37/27,025.95
  6. Step 6: Final answer
    x = 20,804.90

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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.