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Finding the Fourth Proportional to 25,807.68, 35,627.76 and 18,259.92

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Solution

The fourth proportional to 25,807.68, 35,627.76 and 18,259.92 is: 25,208.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,807.68 : 35,627.76 = 18,259.92 : x
  2. Step 2: Convert to fraction form
    25,807.68/35,627.76 = 18,259.92/x
  3. Step 3: Cross multiply
    25,807.68x = 35,627.76 × 18,259.92
  4. Step 4: Simplify right side
    25,807.68x = 650,560,047.38
  5. Step 5: Solve for x
    x = 650,560,047.38/25,807.68
  6. Step 6: Final answer
    x = 25,208.00

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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.