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Finding the Fourth Proportional to 4,705.64, 7,059.24 and 1,585.91

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Solution

The fourth proportional to 4,705.64, 7,059.24 and 1,585.91 is: 2,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.64 : 7,059.24 = 1,585.91 : x
  2. Step 2: Convert to fraction form
    4,705.64/7,059.24 = 1,585.91/x
  3. Step 3: Cross multiply
    4,705.64x = 7,059.24 × 1,585.91
  4. Step 4: Simplify right side
    4,705.64x = 11,195,319.31
  5. Step 5: Solve for x
    x = 11,195,319.31/4,705.64
  6. Step 6: Final answer
    x = 2,379.13

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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.