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Finding the Fourth Proportional to 1,050.60, 1,574.03 and 887.10

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Solution

The fourth proportional to 1,050.60, 1,574.03 and 887.10 is: 1,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.60 : 1,574.03 = 887.10 : x
  2. Step 2: Convert to fraction form
    1,050.60/1,574.03 = 887.10/x
  3. Step 3: Cross multiply
    1,050.60x = 1,574.03 × 887.10
  4. Step 4: Simplify right side
    1,050.60x = 1,396,327.18
  5. Step 5: Solve for x
    x = 1,396,327.18/1,050.60
  6. Step 6: Final answer
    x = 1,329.08

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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.