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Finding the Fourth Proportional to 25,955.68, 35,803.20 and 19,657.12

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Solution

The fourth proportional to 25,955.68, 35,803.20 and 19,657.12 is: 27,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.68 : 35,803.20 = 19,657.12 : x
  2. Step 2: Convert to fraction form
    25,955.68/35,803.20 = 19,657.12/x
  3. Step 3: Cross multiply
    25,955.68x = 35,803.20 × 19,657.12
  4. Step 4: Simplify right side
    25,955.68x = 703,787,798.78
  5. Step 5: Solve for x
    x = 703,787,798.78/25,955.68
  6. Step 6: Final answer
    x = 27,114.98

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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.