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Finding the Fourth Proportional to 4,970.52, 7,457.26 and 2,049

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Solution

The fourth proportional to 4,970.52, 7,457.26 and 2,049 is: 3,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.52 : 7,457.26 = 2,049 : x
  2. Step 2: Convert to fraction form
    4,970.52/7,457.26 = 2,049/x
  3. Step 3: Cross multiply
    4,970.52x = 7,457.26 × 2,049
  4. Step 4: Simplify right side
    4,970.52x = 15,279,925.74
  5. Step 5: Solve for x
    x = 15,279,925.74/4,970.52
  6. Step 6: Final answer
    x = 3,074.11

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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.