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Finding the Fourth Proportional to 22,678.84, 34,008.62 and 8,631.01

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Solution

The fourth proportional to 22,678.84, 34,008.62 and 8,631.01 is: 12,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.84 : 34,008.62 = 8,631.01 : x
  2. Step 2: Convert to fraction form
    22,678.84/34,008.62 = 8,631.01/x
  3. Step 3: Cross multiply
    22,678.84x = 34,008.62 × 8,631.01
  4. Step 4: Simplify right side
    22,678.84x = 293,528,526.11
  5. Step 5: Solve for x
    x = 293,528,526.11/22,678.84
  6. Step 6: Final answer
    x = 12,942.84

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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.