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Finding the Fourth Proportional to 22,411.86, 33,606.84 and 13,055.16

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Solution

The fourth proportional to 22,411.86, 33,606.84 and 13,055.16 is: 19,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,411.86 : 33,606.84 = 13,055.16 : x
  2. Step 2: Convert to fraction form
    22,411.86/33,606.84 = 13,055.16/x
  3. Step 3: Cross multiply
    22,411.86x = 33,606.84 × 13,055.16
  4. Step 4: Simplify right side
    22,411.86x = 438,742,673.29
  5. Step 5: Solve for x
    x = 438,742,673.29/22,411.86
  6. Step 6: Final answer
    x = 19,576.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.