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Finding the Fourth Proportional to 1,602.59, 2,400.77 and 1,053.11

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Solution

The fourth proportional to 1,602.59, 2,400.77 and 1,053.11 is: 1,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.59 : 2,400.77 = 1,053.11 : x
  2. Step 2: Convert to fraction form
    1,602.59/2,400.77 = 1,053.11/x
  3. Step 3: Cross multiply
    1,602.59x = 2,400.77 × 1,053.11
  4. Step 4: Simplify right side
    1,602.59x = 2,528,265.52
  5. Step 5: Solve for x
    x = 2,528,265.52/1,602.59
  6. Step 6: Final answer
    x = 1,577.61

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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.