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Finding the Fourth Proportional to 4,904.74, 7,352.98 and 2,129.32

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Solution

The fourth proportional to 4,904.74, 7,352.98 and 2,129.32 is: 3,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.74 : 7,352.98 = 2,129.32 : x
  2. Step 2: Convert to fraction form
    4,904.74/7,352.98 = 2,129.32/x
  3. Step 3: Cross multiply
    4,904.74x = 7,352.98 × 2,129.32
  4. Step 4: Simplify right side
    4,904.74x = 15,656,847.37
  5. Step 5: Solve for x
    x = 15,656,847.37/4,904.74
  6. Step 6: Final answer
    x = 3,192.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.