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Finding the Fourth Proportional to 10,416.63, 14,375.27 and 5,700.92

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Solution

The fourth proportional to 10,416.63, 14,375.27 and 5,700.92 is: 7,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.63 : 14,375.27 = 5,700.92 : x
  2. Step 2: Convert to fraction form
    10,416.63/14,375.27 = 5,700.92/x
  3. Step 3: Cross multiply
    10,416.63x = 14,375.27 × 5,700.92
  4. Step 4: Simplify right side
    10,416.63x = 81,952,206.62
  5. Step 5: Solve for x
    x = 81,952,206.62/10,416.63
  6. Step 6: Final answer
    x = 7,867.44

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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.