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Finding the Fourth Proportional to 7,502.70, 10,347.04 and 4,847.32

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Solution

The fourth proportional to 7,502.70, 10,347.04 and 4,847.32 is: 6,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.70 : 10,347.04 = 4,847.32 : x
  2. Step 2: Convert to fraction form
    7,502.70/10,347.04 = 4,847.32/x
  3. Step 3: Cross multiply
    7,502.70x = 10,347.04 × 4,847.32
  4. Step 4: Simplify right side
    7,502.70x = 50,155,413.93
  5. Step 5: Solve for x
    x = 50,155,413.93/7,502.70
  6. Step 6: Final answer
    x = 6,684.98

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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.