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Finding the Fourth Proportional to 65,907.92, 90,952.08 and 37,614.08

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Solution

The fourth proportional to 65,907.92, 90,952.08 and 37,614.08 is: 51,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,907.92 : 90,952.08 = 37,614.08 : x
  2. Step 2: Convert to fraction form
    65,907.92/90,952.08 = 37,614.08/x
  3. Step 3: Cross multiply
    65,907.92x = 90,952.08 × 37,614.08
  4. Step 4: Simplify right side
    65,907.92x = 3,421,078,813.29
  5. Step 5: Solve for x
    x = 3,421,078,813.29/65,907.92
  6. Step 6: Final answer
    x = 51,906.95

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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.