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Finding the Fourth Proportional to 7,048.60, 9,707.34 and 6,895.54

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Solution

The fourth proportional to 7,048.60, 9,707.34 and 6,895.54 is: 9,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.60 : 9,707.34 = 6,895.54 : x
  2. Step 2: Convert to fraction form
    7,048.60/9,707.34 = 6,895.54/x
  3. Step 3: Cross multiply
    7,048.60x = 9,707.34 × 6,895.54
  4. Step 4: Simplify right side
    7,048.60x = 66,937,351.26
  5. Step 5: Solve for x
    x = 66,937,351.26/7,048.60
  6. Step 6: Final answer
    x = 9,496.55

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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.