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Finding the Fourth Proportional to 1,573.61, 2,360.57 and 696.00

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Solution

The fourth proportional to 1,573.61, 2,360.57 and 696.00 is: 1,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.61 : 2,360.57 = 696.00 : x
  2. Step 2: Convert to fraction form
    1,573.61/2,360.57 = 696.00/x
  3. Step 3: Cross multiply
    1,573.61x = 2,360.57 × 696.00
  4. Step 4: Simplify right side
    1,573.61x = 1,642,948.81
  5. Step 5: Solve for x
    x = 1,642,948.81/1,573.61
  6. Step 6: Final answer
    x = 1,044.06

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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.