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Finding the Fourth Proportional to 1,068.77, 1,594.90 and 1,029.08

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Solution

The fourth proportional to 1,068.77, 1,594.90 and 1,029.08 is: 1,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.77 : 1,594.90 = 1,029.08 : x
  2. Step 2: Convert to fraction form
    1,068.77/1,594.90 = 1,029.08/x
  3. Step 3: Cross multiply
    1,068.77x = 1,594.90 × 1,029.08
  4. Step 4: Simplify right side
    1,068.77x = 1,641,279.69
  5. Step 5: Solve for x
    x = 1,641,279.69/1,068.77
  6. Step 6: Final answer
    x = 1,535.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.