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Finding the Fourth Proportional to 29,463.33, 40,612.19 and 19,900.22

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Solution

The fourth proportional to 29,463.33, 40,612.19 and 19,900.22 is: 27,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,463.33 : 40,612.19 = 19,900.22 : x
  2. Step 2: Convert to fraction form
    29,463.33/40,612.19 = 19,900.22/x
  3. Step 3: Cross multiply
    29,463.33x = 40,612.19 × 19,900.22
  4. Step 4: Simplify right side
    29,463.33x = 808,191,416.18
  5. Step 5: Solve for x
    x = 808,191,416.18/29,463.33
  6. Step 6: Final answer
    x = 27,430.42

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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.