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Finding the Fourth Proportional to 7,604.47, 10,490.47 and 4,619.22

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Solution

The fourth proportional to 7,604.47, 10,490.47 and 4,619.22 is: 6,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604.47 : 10,490.47 = 4,619.22 : x
  2. Step 2: Convert to fraction form
    7,604.47/10,490.47 = 4,619.22/x
  3. Step 3: Cross multiply
    7,604.47x = 10,490.47 × 4,619.22
  4. Step 4: Simplify right side
    7,604.47x = 48,457,788.83
  5. Step 5: Solve for x
    x = 48,457,788.83/7,604.47
  6. Step 6: Final answer
    x = 6,372.28

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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.