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Finding the Fourth Proportional to 40,370.25, 55,710.95 and 22,706.25

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Solution

The fourth proportional to 40,370.25, 55,710.95 and 22,706.25 is: 31,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370.25 : 55,710.95 = 22,706.25 : x
  2. Step 2: Convert to fraction form
    40,370.25/55,710.95 = 22,706.25/x
  3. Step 3: Cross multiply
    40,370.25x = 55,710.95 × 22,706.25
  4. Step 4: Simplify right side
    40,370.25x = 1,264,986,644.91
  5. Step 5: Solve for x
    x = 1,264,986,644.91/40,370.25
  6. Step 6: Final answer
    x = 31,334.63

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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.