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Finding the Fourth Proportional to 1,533.96, 2,298.88 and 559.12

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Solution

The fourth proportional to 1,533.96, 2,298.88 and 559.12 is: 837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.96 : 2,298.88 = 559.12 : x
  2. Step 2: Convert to fraction form
    1,533.96/2,298.88 = 559.12/x
  3. Step 3: Cross multiply
    1,533.96x = 2,298.88 × 559.12
  4. Step 4: Simplify right side
    1,533.96x = 1,285,349.79
  5. Step 5: Solve for x
    x = 1,285,349.79/1,533.96
  6. Step 6: Final answer
    x = 837.93

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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.