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Finding the Fourth Proportional to 1,558.47, 2,337.95 and 584.64

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Solution

The fourth proportional to 1,558.47, 2,337.95 and 584.64 is: 877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.47 : 2,337.95 = 584.64 : x
  2. Step 2: Convert to fraction form
    1,558.47/2,337.95 = 584.64/x
  3. Step 3: Cross multiply
    1,558.47x = 2,337.95 × 584.64
  4. Step 4: Simplify right side
    1,558.47x = 1,366,856.16
  5. Step 5: Solve for x
    x = 1,366,856.16/1,558.47
  6. Step 6: Final answer
    x = 877.05

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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.