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Finding the Fourth Proportional to 65,564.44, 90,476.20 and 35,756.44

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Solution

The fourth proportional to 65,564.44, 90,476.20 and 35,756.44 is: 49,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.44 : 90,476.20 = 35,756.44 : x
  2. Step 2: Convert to fraction form
    65,564.44/90,476.20 = 35,756.44/x
  3. Step 3: Cross multiply
    65,564.44x = 90,476.20 × 35,756.44
  4. Step 4: Simplify right side
    65,564.44x = 3,235,106,816.73
  5. Step 5: Solve for x
    x = 3,235,106,816.73/65,564.44
  6. Step 6: Final answer
    x = 49,342.40

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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.