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Finding the Fourth Proportional to 7,937.71, 10,953.47 and 4,352.09

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Solution

The fourth proportional to 7,937.71, 10,953.47 and 4,352.09 is: 6,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.71 : 10,953.47 = 4,352.09 : x
  2. Step 2: Convert to fraction form
    7,937.71/10,953.47 = 4,352.09/x
  3. Step 3: Cross multiply
    7,937.71x = 10,953.47 × 4,352.09
  4. Step 4: Simplify right side
    7,937.71x = 47,670,492.88
  5. Step 5: Solve for x
    x = 47,670,492.88/7,937.71
  6. Step 6: Final answer
    x = 6,005.57

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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.