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Finding the Fourth Proportional to 1,062.17, 1,592.93 and 651.50

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Solution

The fourth proportional to 1,062.17, 1,592.93 and 651.50 is: 977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.17 : 1,592.93 = 651.50 : x
  2. Step 2: Convert to fraction form
    1,062.17/1,592.93 = 651.50/x
  3. Step 3: Cross multiply
    1,062.17x = 1,592.93 × 651.50
  4. Step 4: Simplify right side
    1,062.17x = 1,037,782.67
  5. Step 5: Solve for x
    x = 1,037,782.67/1,062.17
  6. Step 6: Final answer
    x = 977.04

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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.