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Finding the Fourth Proportional to 1,573.74, 2,360.13 and 547.50

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Solution

The fourth proportional to 1,573.74, 2,360.13 and 547.50 is: 821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.74 : 2,360.13 = 547.50 : x
  2. Step 2: Convert to fraction form
    1,573.74/2,360.13 = 547.50/x
  3. Step 3: Cross multiply
    1,573.74x = 2,360.13 × 547.50
  4. Step 4: Simplify right side
    1,573.74x = 1,292,171.18
  5. Step 5: Solve for x
    x = 1,292,171.18/1,573.74
  6. Step 6: Final answer
    x = 821.08

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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.