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Finding the Fourth Proportional to 1,035.10, 1,428.43 and 592.99

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Solution

The fourth proportional to 1,035.10, 1,428.43 and 592.99 is: 818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.10 : 1,428.43 = 592.99 : x
  2. Step 2: Convert to fraction form
    1,035.10/1,428.43 = 592.99/x
  3. Step 3: Cross multiply
    1,035.10x = 1,428.43 × 592.99
  4. Step 4: Simplify right side
    1,035.10x = 847,044.71
  5. Step 5: Solve for x
    x = 847,044.71/1,035.10
  6. Step 6: Final answer
    x = 818.32

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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.