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Finding the Fourth Proportional to 25,696.43, 35,470.88 and 16,746.13

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Solution

The fourth proportional to 25,696.43, 35,470.88 and 16,746.13 is: 23,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.43 : 35,470.88 = 16,746.13 : x
  2. Step 2: Convert to fraction form
    25,696.43/35,470.88 = 16,746.13/x
  3. Step 3: Cross multiply
    25,696.43x = 35,470.88 × 16,746.13
  4. Step 4: Simplify right side
    25,696.43x = 593,999,967.69
  5. Step 5: Solve for x
    x = 593,999,967.69/25,696.43
  6. Step 6: Final answer
    x = 23,116.05

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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.