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Finding the Fourth Proportional to 1,046.55, 1,567.80 and 973.65

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Solution

The fourth proportional to 1,046.55, 1,567.80 and 973.65 is: 1,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.55 : 1,567.80 = 973.65 : x
  2. Step 2: Convert to fraction form
    1,046.55/1,567.80 = 973.65/x
  3. Step 3: Cross multiply
    1,046.55x = 1,567.80 × 973.65
  4. Step 4: Simplify right side
    1,046.55x = 1,526,488.47
  5. Step 5: Solve for x
    x = 1,526,488.47/1,046.55
  6. Step 6: Final answer
    x = 1,458.59

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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.