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Finding the Fourth Proportional to 27,323.84, 40,972.05 and 13,275.06

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Solution

The fourth proportional to 27,323.84, 40,972.05 and 13,275.06 is: 19,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.84 : 40,972.05 = 13,275.06 : x
  2. Step 2: Convert to fraction form
    27,323.84/40,972.05 = 13,275.06/x
  3. Step 3: Cross multiply
    27,323.84x = 40,972.05 × 13,275.06
  4. Step 4: Simplify right side
    27,323.84x = 543,906,422.07
  5. Step 5: Solve for x
    x = 543,906,422.07/27,323.84
  6. Step 6: Final answer
    x = 19,905.93

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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.