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Finding the Fourth Proportional to 15,376, 23,065.62 and 7,054.60

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Solution

The fourth proportional to 15,376, 23,065.62 and 7,054.60 is: 10,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376 : 23,065.62 = 7,054.60 : x
  2. Step 2: Convert to fraction form
    15,376/23,065.62 = 7,054.60/x
  3. Step 3: Cross multiply
    15,376x = 23,065.62 × 7,054.60
  4. Step 4: Simplify right side
    15,376x = 162,718,722.85
  5. Step 5: Solve for x
    x = 162,718,722.85/15,376
  6. Step 6: Final answer
    x = 10,582.64

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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.