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Finding the Fourth Proportional to 65,940.95, 90,998.71 and 35,726.13

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Solution

The fourth proportional to 65,940.95, 90,998.71 and 35,726.13 is: 49,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,940.95 : 90,998.71 = 35,726.13 : x
  2. Step 2: Convert to fraction form
    65,940.95/90,998.71 = 35,726.13/x
  3. Step 3: Cross multiply
    65,940.95x = 90,998.71 × 35,726.13
  4. Step 4: Simplify right side
    65,940.95x = 3,251,031,653.98
  5. Step 5: Solve for x
    x = 3,251,031,653.98/65,940.95
  6. Step 6: Final answer
    x = 49,302.16

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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.