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Finding the Fourth Proportional to 25,601, 35,331.60 and 14,425.16

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Solution

The fourth proportional to 25,601, 35,331.60 and 14,425.16 is: 19,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601 : 35,331.60 = 14,425.16 : x
  2. Step 2: Convert to fraction form
    25,601/35,331.60 = 14,425.16/x
  3. Step 3: Cross multiply
    25,601x = 35,331.60 × 14,425.16
  4. Step 4: Simplify right side
    25,601x = 509,663,983.06
  5. Step 5: Solve for x
    x = 509,663,983.06/25,601
  6. Step 6: Final answer
    x = 19,907.97

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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.