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Finding the Fourth Proportional to 25,369.73, 35,024.30 and 15,300.71

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Solution

The fourth proportional to 25,369.73, 35,024.30 and 15,300.71 is: 21,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,369.73 : 35,024.30 = 15,300.71 : x
  2. Step 2: Convert to fraction form
    25,369.73/35,024.30 = 15,300.71/x
  3. Step 3: Cross multiply
    25,369.73x = 35,024.30 × 15,300.71
  4. Step 4: Simplify right side
    25,369.73x = 535,896,405.63
  5. Step 5: Solve for x
    x = 535,896,405.63/25,369.73
  6. Step 6: Final answer
    x = 21,123.46

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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.