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Finding the Fourth Proportional to 1,973.57, 2,959.84 and 586.54

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Solution

The fourth proportional to 1,973.57, 2,959.84 and 586.54 is: 879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.57 : 2,959.84 = 586.54 : x
  2. Step 2: Convert to fraction form
    1,973.57/2,959.84 = 586.54/x
  3. Step 3: Cross multiply
    1,973.57x = 2,959.84 × 586.54
  4. Step 4: Simplify right side
    1,973.57x = 1,736,068.99
  5. Step 5: Solve for x
    x = 1,736,068.99/1,973.57
  6. Step 6: Final answer
    x = 879.66

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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.