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Finding the Fourth Proportional to 1,049.17, 1,572.99 and 528.93

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Solution

The fourth proportional to 1,049.17, 1,572.99 and 528.93 is: 793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.17 : 1,572.99 = 528.93 : x
  2. Step 2: Convert to fraction form
    1,049.17/1,572.99 = 528.93/x
  3. Step 3: Cross multiply
    1,049.17x = 1,572.99 × 528.93
  4. Step 4: Simplify right side
    1,049.17x = 831,999.62
  5. Step 5: Solve for x
    x = 831,999.62/1,049.17
  6. Step 6: Final answer
    x = 793.01

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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.