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Finding the Fourth Proportional to 1,566.21, 2,349.37 and 744.06

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Solution

The fourth proportional to 1,566.21, 2,349.37 and 744.06 is: 1,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.21 : 2,349.37 = 744.06 : x
  2. Step 2: Convert to fraction form
    1,566.21/2,349.37 = 744.06/x
  3. Step 3: Cross multiply
    1,566.21x = 2,349.37 × 744.06
  4. Step 4: Simplify right side
    1,566.21x = 1,748,072.24
  5. Step 5: Solve for x
    x = 1,748,072.24/1,566.21
  6. Step 6: Final answer
    x = 1,116.12

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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.