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Finding the Fourth Proportional to 9,572.75, 13,210.79 and 5,323.79

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Solution

The fourth proportional to 9,572.75, 13,210.79 and 5,323.79 is: 7,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,572.75 : 13,210.79 = 5,323.79 : x
  2. Step 2: Convert to fraction form
    9,572.75/13,210.79 = 5,323.79/x
  3. Step 3: Cross multiply
    9,572.75x = 13,210.79 × 5,323.79
  4. Step 4: Simplify right side
    9,572.75x = 70,331,379.02
  5. Step 5: Solve for x
    x = 70,331,379.02/9,572.75
  6. Step 6: Final answer
    x = 7,347.04

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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.