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Finding the Fourth Proportional to 22,975.40, 34,463.10 and 19,476.20

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Solution

The fourth proportional to 22,975.40, 34,463.10 and 19,476.20 is: 29,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,975.40 : 34,463.10 = 19,476.20 : x
  2. Step 2: Convert to fraction form
    22,975.40/34,463.10 = 19,476.20/x
  3. Step 3: Cross multiply
    22,975.40x = 34,463.10 × 19,476.20
  4. Step 4: Simplify right side
    22,975.40x = 671,210,228.22
  5. Step 5: Solve for x
    x = 671,210,228.22/22,975.40
  6. Step 6: Final answer
    x = 29,214.30

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Similar ratio
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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.