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Finding the Fourth Proportional to 35,211.25, 48,591.53 and 20,307.25

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Solution

The fourth proportional to 35,211.25, 48,591.53 and 20,307.25 is: 28,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.25 : 48,591.53 = 20,307.25 : x
  2. Step 2: Convert to fraction form
    35,211.25/48,591.53 = 20,307.25/x
  3. Step 3: Cross multiply
    35,211.25x = 48,591.53 × 20,307.25
  4. Step 4: Simplify right side
    35,211.25x = 986,760,246.06
  5. Step 5: Solve for x
    x = 986,760,246.06/35,211.25
  6. Step 6: Final answer
    x = 28,024.01

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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.