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Finding the Fourth Proportional to 7,502.68, 10,356.46 and 4,518.64

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Solution

The fourth proportional to 7,502.68, 10,356.46 and 4,518.64 is: 6,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.68 : 10,356.46 = 4,518.64 : x
  2. Step 2: Convert to fraction form
    7,502.68/10,356.46 = 4,518.64/x
  3. Step 3: Cross multiply
    7,502.68x = 10,356.46 × 4,518.64
  4. Step 4: Simplify right side
    7,502.68x = 46,797,114.41
  5. Step 5: Solve for x
    x = 46,797,114.41/7,502.68
  6. Step 6: Final answer
    x = 6,237.39

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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.