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Finding the Fourth Proportional to 29,636.81, 40,913.66 and 22,907.24

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Solution

The fourth proportional to 29,636.81, 40,913.66 and 22,907.24 is: 31,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,636.81 : 40,913.66 = 22,907.24 : x
  2. Step 2: Convert to fraction form
    29,636.81/40,913.66 = 22,907.24/x
  3. Step 3: Cross multiply
    29,636.81x = 40,913.66 × 22,907.24
  4. Step 4: Simplify right side
    29,636.81x = 937,218,881.60
  5. Step 5: Solve for x
    x = 937,218,881.60/29,636.81
  6. Step 6: Final answer
    x = 31,623.48

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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.