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Finding the Fourth Proportional to 7,762.03, 10,712.66 and 4,406.20

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Solution

The fourth proportional to 7,762.03, 10,712.66 and 4,406.20 is: 6,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.03 : 10,712.66 = 4,406.20 : x
  2. Step 2: Convert to fraction form
    7,762.03/10,712.66 = 4,406.20/x
  3. Step 3: Cross multiply
    7,762.03x = 10,712.66 × 4,406.20
  4. Step 4: Simplify right side
    7,762.03x = 47,202,073.68
  5. Step 5: Solve for x
    x = 47,202,073.68/7,762.03
  6. Step 6: Final answer
    x = 6,081.15

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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.