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Finding the Fourth Proportional to 1,946.52, 2,917.04 and 848.58

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Solution

The fourth proportional to 1,946.52, 2,917.04 and 848.58 is: 1,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.52 : 2,917.04 = 848.58 : x
  2. Step 2: Convert to fraction form
    1,946.52/2,917.04 = 848.58/x
  3. Step 3: Cross multiply
    1,946.52x = 2,917.04 × 848.58
  4. Step 4: Simplify right side
    1,946.52x = 2,475,327.22
  5. Step 5: Solve for x
    x = 2,475,327.22/1,946.52
  6. Step 6: Final answer
    x = 1,271.67

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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.