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Finding the Fourth Proportional to 7,018.74, 10,525.95 and 3,555.54

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Solution

The fourth proportional to 7,018.74, 10,525.95 and 3,555.54 is: 5,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.74 : 10,525.95 = 3,555.54 : x
  2. Step 2: Convert to fraction form
    7,018.74/10,525.95 = 3,555.54/x
  3. Step 3: Cross multiply
    7,018.74x = 10,525.95 × 3,555.54
  4. Step 4: Simplify right side
    7,018.74x = 37,425,436.26
  5. Step 5: Solve for x
    x = 37,425,436.26/7,018.74
  6. Step 6: Final answer
    x = 5,332.22

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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.