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Finding the Fourth Proportional to 25,599.68, 35,332.08 and 20,334.68

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Solution

The fourth proportional to 25,599.68, 35,332.08 and 20,334.68 is: 28,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,599.68 : 35,332.08 = 20,334.68 : x
  2. Step 2: Convert to fraction form
    25,599.68/35,332.08 = 20,334.68/x
  3. Step 3: Cross multiply
    25,599.68x = 35,332.08 × 20,334.68
  4. Step 4: Simplify right side
    25,599.68x = 718,466,540.53
  5. Step 5: Solve for x
    x = 718,466,540.53/25,599.68
  6. Step 6: Final answer
    x = 28,065.45

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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.