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Finding the Fourth Proportional to 14,718.66, 22,087.72 and 6,928.08

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Solution

The fourth proportional to 14,718.66, 22,087.72 and 6,928.08 is: 10,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.66 : 22,087.72 = 6,928.08 : x
  2. Step 2: Convert to fraction form
    14,718.66/22,087.72 = 6,928.08/x
  3. Step 3: Cross multiply
    14,718.66x = 22,087.72 × 6,928.08
  4. Step 4: Simplify right side
    14,718.66x = 153,025,491.18
  5. Step 5: Solve for x
    x = 153,025,491.18/14,718.66
  6. Step 6: Final answer
    x = 10,396.70

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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.