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Finding the Fourth Proportional to 10,784.62, 14,882.74 and 6,068.91

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Solution

The fourth proportional to 10,784.62, 14,882.74 and 6,068.91 is: 8,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.62 : 14,882.74 = 6,068.91 : x
  2. Step 2: Convert to fraction form
    10,784.62/14,882.74 = 6,068.91/x
  3. Step 3: Cross multiply
    10,784.62x = 14,882.74 × 6,068.91
  4. Step 4: Simplify right side
    10,784.62x = 90,322,009.61
  5. Step 5: Solve for x
    x = 90,322,009.61/10,784.62
  6. Step 6: Final answer
    x = 8,375.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.