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Finding the Fourth Proportional to 23,959.95, 33,065.06 and 13,888.95

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Solution

The fourth proportional to 23,959.95, 33,065.06 and 13,888.95 is: 19,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,959.95 : 33,065.06 = 13,888.95 : x
  2. Step 2: Convert to fraction form
    23,959.95/33,065.06 = 13,888.95/x
  3. Step 3: Cross multiply
    23,959.95x = 33,065.06 × 13,888.95
  4. Step 4: Simplify right side
    23,959.95x = 459,238,895.64
  5. Step 5: Solve for x
    x = 459,238,895.64/23,959.95
  6. Step 6: Final answer
    x = 19,166.94

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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.