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Finding the Fourth Proportional to 25,652.99, 35,389.55 and 15,038.14

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Solution

The fourth proportional to 25,652.99, 35,389.55 and 15,038.14 is: 20,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652.99 : 35,389.55 = 15,038.14 : x
  2. Step 2: Convert to fraction form
    25,652.99/35,389.55 = 15,038.14/x
  3. Step 3: Cross multiply
    25,652.99x = 35,389.55 × 15,038.14
  4. Step 4: Simplify right side
    25,652.99x = 532,193,007.44
  5. Step 5: Solve for x
    x = 532,193,007.44/25,652.99
  6. Step 6: Final answer
    x = 20,745.85

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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.