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Finding the Fourth Proportional to 1,529.84, 2,295.30 and 652.58

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Solution

The fourth proportional to 1,529.84, 2,295.30 and 652.58 is: 979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.84 : 2,295.30 = 652.58 : x
  2. Step 2: Convert to fraction form
    1,529.84/2,295.30 = 652.58/x
  3. Step 3: Cross multiply
    1,529.84x = 2,295.30 × 652.58
  4. Step 4: Simplify right side
    1,529.84x = 1,497,866.87
  5. Step 5: Solve for x
    x = 1,497,866.87/1,529.84
  6. Step 6: Final answer
    x = 979.10

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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.