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Finding the Fourth Proportional to 65,504.68, 90,391.02 and 37,214.68

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Solution

The fourth proportional to 65,504.68, 90,391.02 and 37,214.68 is: 51,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,504.68 : 90,391.02 = 37,214.68 : x
  2. Step 2: Convert to fraction form
    65,504.68/90,391.02 = 37,214.68/x
  3. Step 3: Cross multiply
    65,504.68x = 90,391.02 × 37,214.68
  4. Step 4: Simplify right side
    65,504.68x = 3,363,872,884.17
  5. Step 5: Solve for x
    x = 3,363,872,884.17/65,504.68
  6. Step 6: Final answer
    x = 51,353.17

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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.