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Finding the Fourth Proportional to 7,053.77, 10,574.89 and 3,539.54

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Solution

The fourth proportional to 7,053.77, 10,574.89 and 3,539.54 is: 5,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.77 : 10,574.89 = 3,539.54 : x
  2. Step 2: Convert to fraction form
    7,053.77/10,574.89 = 3,539.54/x
  3. Step 3: Cross multiply
    7,053.77x = 10,574.89 × 3,539.54
  4. Step 4: Simplify right side
    7,053.77x = 37,430,263.74
  5. Step 5: Solve for x
    x = 37,430,263.74/7,053.77
  6. Step 6: Final answer
    x = 5,306.42

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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.