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Finding the Fourth Proportional to 18,804.77, 25,950.02 and 10,306.71

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Solution

The fourth proportional to 18,804.77, 25,950.02 and 10,306.71 is: 14,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.77 : 25,950.02 = 10,306.71 : x
  2. Step 2: Convert to fraction form
    18,804.77/25,950.02 = 10,306.71/x
  3. Step 3: Cross multiply
    18,804.77x = 25,950.02 × 10,306.71
  4. Step 4: Simplify right side
    18,804.77x = 267,459,356.40
  5. Step 5: Solve for x
    x = 267,459,356.40/18,804.77
  6. Step 6: Final answer
    x = 14,222.95

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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.