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Finding the Fourth Proportional to 7,051.78, 10,574.94 and 3,763.08

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Solution

The fourth proportional to 7,051.78, 10,574.94 and 3,763.08 is: 5,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.78 : 10,574.94 = 3,763.08 : x
  2. Step 2: Convert to fraction form
    7,051.78/10,574.94 = 3,763.08/x
  3. Step 3: Cross multiply
    7,051.78x = 10,574.94 × 3,763.08
  4. Step 4: Simplify right side
    7,051.78x = 39,794,345.22
  5. Step 5: Solve for x
    x = 39,794,345.22/7,051.78
  6. Step 6: Final answer
    x = 5,643.16

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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.