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Finding the Fourth Proportional to 25,552.13, 35,256.03 and 15,478.38

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Solution

The fourth proportional to 25,552.13, 35,256.03 and 15,478.38 is: 21,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,552.13 : 35,256.03 = 15,478.38 : x
  2. Step 2: Convert to fraction form
    25,552.13/35,256.03 = 15,478.38/x
  3. Step 3: Cross multiply
    25,552.13x = 35,256.03 × 15,478.38
  4. Step 4: Simplify right side
    25,552.13x = 545,706,252.61
  5. Step 5: Solve for x
    x = 545,706,252.61/25,552.13
  6. Step 6: Final answer
    x = 21,356.58

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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.