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Finding the Fourth Proportional to 25,360.99, 35,026.88 and 17,280.63

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Solution

The fourth proportional to 25,360.99, 35,026.88 and 17,280.63 is: 23,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,360.99 : 35,026.88 = 17,280.63 : x
  2. Step 2: Convert to fraction form
    25,360.99/35,026.88 = 17,280.63/x
  3. Step 3: Cross multiply
    25,360.99x = 35,026.88 × 17,280.63
  4. Step 4: Simplify right side
    25,360.99x = 605,286,466.93
  5. Step 5: Solve for x
    x = 605,286,466.93/25,360.99
  6. Step 6: Final answer
    x = 23,866.83

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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.