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Finding the Fourth Proportional to 25,894.65, 35,733.24 and 15,280.41

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Solution

The fourth proportional to 25,894.65, 35,733.24 and 15,280.41 is: 21,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,894.65 : 35,733.24 = 15,280.41 : x
  2. Step 2: Convert to fraction form
    25,894.65/35,733.24 = 15,280.41/x
  3. Step 3: Cross multiply
    25,894.65x = 35,733.24 × 15,280.41
  4. Step 4: Simplify right side
    25,894.65x = 546,018,557.83
  5. Step 5: Solve for x
    x = 546,018,557.83/25,894.65
  6. Step 6: Final answer
    x = 21,086.15

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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.