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Finding the Fourth Proportional to 1,064.19, 1,593.19 and 652.07

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Solution

The fourth proportional to 1,064.19, 1,593.19 and 652.07 is: 976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.19 : 1,593.19 = 652.07 : x
  2. Step 2: Convert to fraction form
    1,064.19/1,593.19 = 652.07/x
  3. Step 3: Cross multiply
    1,064.19x = 1,593.19 × 652.07
  4. Step 4: Simplify right side
    1,064.19x = 1,038,860.18
  5. Step 5: Solve for x
    x = 1,038,860.18/1,064.19
  6. Step 6: Final answer
    x = 976.20

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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.