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Finding the Fourth Proportional to 25,598.68, 35,330.70 and 20,333.68

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Solution

The fourth proportional to 25,598.68, 35,330.70 and 20,333.68 is: 28,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,598.68 : 35,330.70 = 20,333.68 : x
  2. Step 2: Convert to fraction form
    25,598.68/35,330.70 = 20,333.68/x
  3. Step 3: Cross multiply
    25,598.68x = 35,330.70 × 20,333.68
  4. Step 4: Simplify right side
    25,598.68x = 718,403,147.98
  5. Step 5: Solve for x
    x = 718,403,147.98/25,598.68
  6. Step 6: Final answer
    x = 28,064.07

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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.