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Finding the Fourth Proportional to 1,342.99, 1,854.19 and 1,094.90

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Solution

The fourth proportional to 1,342.99, 1,854.19 and 1,094.90 is: 1,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.99 : 1,854.19 = 1,094.90 : x
  2. Step 2: Convert to fraction form
    1,342.99/1,854.19 = 1,094.90/x
  3. Step 3: Cross multiply
    1,342.99x = 1,854.19 × 1,094.90
  4. Step 4: Simplify right side
    1,342.99x = 2,030,152.63
  5. Step 5: Solve for x
    x = 2,030,152.63/1,342.99
  6. Step 6: Final answer
    x = 1,511.67

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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.