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Finding the Fourth Proportional to 1,600.59, 2,400.88 and 1,055.20

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Solution

The fourth proportional to 1,600.59, 2,400.88 and 1,055.20 is: 1,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.59 : 2,400.88 = 1,055.20 : x
  2. Step 2: Convert to fraction form
    1,600.59/2,400.88 = 1,055.20/x
  3. Step 3: Cross multiply
    1,600.59x = 2,400.88 × 1,055.20
  4. Step 4: Simplify right side
    1,600.59x = 2,533,408.58
  5. Step 5: Solve for x
    x = 2,533,408.58/1,600.59
  6. Step 6: Final answer
    x = 1,582.80

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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.