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Finding the Fourth Proportional to 15,134.72, 22,678.98 and 6,364.84

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Solution

The fourth proportional to 15,134.72, 22,678.98 and 6,364.84 is: 9,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.72 : 22,678.98 = 6,364.84 : x
  2. Step 2: Convert to fraction form
    15,134.72/22,678.98 = 6,364.84/x
  3. Step 3: Cross multiply
    15,134.72x = 22,678.98 × 6,364.84
  4. Step 4: Simplify right side
    15,134.72x = 144,348,079.06
  5. Step 5: Solve for x
    x = 144,348,079.06/15,134.72
  6. Step 6: Final answer
    x = 9,537.55

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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.