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Finding the Fourth Proportional to 4,663.22, 7,008.65 and 4,319.47

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Solution

The fourth proportional to 4,663.22, 7,008.65 and 4,319.47 is: 6,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.22 : 7,008.65 = 4,319.47 : x
  2. Step 2: Convert to fraction form
    4,663.22/7,008.65 = 4,319.47/x
  3. Step 3: Cross multiply
    4,663.22x = 7,008.65 × 4,319.47
  4. Step 4: Simplify right side
    4,663.22x = 30,273,596.77
  5. Step 5: Solve for x
    x = 30,273,596.77/4,663.22
  6. Step 6: Final answer
    x = 6,491.99

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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.