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Finding the Fourth Proportional to 1,165.02, 1,746.37 and 754.46

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Solution

The fourth proportional to 1,165.02, 1,746.37 and 754.46 is: 1,130.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.02 : 1,746.37 = 754.46 : x
  2. Step 2: Convert to fraction form
    1,165.02/1,746.37 = 754.46/x
  3. Step 3: Cross multiply
    1,165.02x = 1,746.37 × 754.46
  4. Step 4: Simplify right side
    1,165.02x = 1,317,566.31
  5. Step 5: Solve for x
    x = 1,317,566.31/1,165.02
  6. Step 6: Final answer
    x = 1,130.94

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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.