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Finding the Fourth Proportional to 1,573.65, 2,358.14 and 1,051.86

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Solution

The fourth proportional to 1,573.65, 2,358.14 and 1,051.86 is: 1,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.65 : 2,358.14 = 1,051.86 : x
  2. Step 2: Convert to fraction form
    1,573.65/2,358.14 = 1,051.86/x
  3. Step 3: Cross multiply
    1,573.65x = 2,358.14 × 1,051.86
  4. Step 4: Simplify right side
    1,573.65x = 2,480,433.14
  5. Step 5: Solve for x
    x = 2,480,433.14/1,573.65
  6. Step 6: Final answer
    x = 1,576.23

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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.