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Finding the Fourth Proportional to 19,411.84, 29,125.04 and 11,626.08

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Solution

The fourth proportional to 19,411.84, 29,125.04 and 11,626.08 is: 17,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.84 : 29,125.04 = 11,626.08 : x
  2. Step 2: Convert to fraction form
    19,411.84/29,125.04 = 11,626.08/x
  3. Step 3: Cross multiply
    19,411.84x = 29,125.04 × 11,626.08
  4. Step 4: Simplify right side
    19,411.84x = 338,610,045.04
  5. Step 5: Solve for x
    x = 338,610,045.04/19,411.84
  6. Step 6: Final answer
    x = 17,443.48

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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.