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Finding the Fourth Proportional to 27,281.81, 40,681.78 and 23,963.64

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Solution

The fourth proportional to 27,281.81, 40,681.78 and 23,963.64 is: 35,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.81 : 40,681.78 = 23,963.64 : x
  2. Step 2: Convert to fraction form
    27,281.81/40,681.78 = 23,963.64/x
  3. Step 3: Cross multiply
    27,281.81x = 40,681.78 × 23,963.64
  4. Step 4: Simplify right side
    27,281.81x = 974,883,410.66
  5. Step 5: Solve for x
    x = 974,883,410.66/27,281.81
  6. Step 6: Final answer
    x = 35,733.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.