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Finding the Fourth Proportional to 3,487.61, 5,232.23 and 1,022.47

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Solution

The fourth proportional to 3,487.61, 5,232.23 and 1,022.47 is: 1,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.61 : 5,232.23 = 1,022.47 : x
  2. Step 2: Convert to fraction form
    3,487.61/5,232.23 = 1,022.47/x
  3. Step 3: Cross multiply
    3,487.61x = 5,232.23 × 1,022.47
  4. Step 4: Simplify right side
    3,487.61x = 5,349,798.21
  5. Step 5: Solve for x
    x = 5,349,798.21/3,487.61
  6. Step 6: Final answer
    x = 1,533.94

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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.