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Finding the Fourth Proportional to 25,290.61, 34,901.04 and 13,960.11

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Solution

The fourth proportional to 25,290.61, 34,901.04 and 13,960.11 is: 19,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.61 : 34,901.04 = 13,960.11 : x
  2. Step 2: Convert to fraction form
    25,290.61/34,901.04 = 13,960.11/x
  3. Step 3: Cross multiply
    25,290.61x = 34,901.04 × 13,960.11
  4. Step 4: Simplify right side
    25,290.61x = 487,222,357.51
  5. Step 5: Solve for x
    x = 487,222,357.51/25,290.61
  6. Step 6: Final answer
    x = 19,264.95

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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.