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Finding the Fourth Proportional to 1,259.03, 1,737.56 and 735.16

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Solution

The fourth proportional to 1,259.03, 1,737.56 and 735.16 is: 1,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.03 : 1,737.56 = 735.16 : x
  2. Step 2: Convert to fraction form
    1,259.03/1,737.56 = 735.16/x
  3. Step 3: Cross multiply
    1,259.03x = 1,737.56 × 735.16
  4. Step 4: Simplify right side
    1,259.03x = 1,277,384.61
  5. Step 5: Solve for x
    x = 1,277,384.61/1,259.03
  6. Step 6: Final answer
    x = 1,014.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.