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Finding the Fourth Proportional to 1,573.76, 2,360.64 and 1,342.16

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Solution

The fourth proportional to 1,573.76, 2,360.64 and 1,342.16 is: 2,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.76 : 2,360.64 = 1,342.16 : x
  2. Step 2: Convert to fraction form
    1,573.76/2,360.64 = 1,342.16/x
  3. Step 3: Cross multiply
    1,573.76x = 2,360.64 × 1,342.16
  4. Step 4: Simplify right side
    1,573.76x = 3,168,356.58
  5. Step 5: Solve for x
    x = 3,168,356.58/1,573.76
  6. Step 6: Final answer
    x = 2,013.24

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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.