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Finding the Fourth Proportional to 1,045.08, 1,567.64 and 582.60

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Solution

The fourth proportional to 1,045.08, 1,567.64 and 582.60 is: 873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.08 : 1,567.64 = 582.60 : x
  2. Step 2: Convert to fraction form
    1,045.08/1,567.64 = 582.60/x
  3. Step 3: Cross multiply
    1,045.08x = 1,567.64 × 582.60
  4. Step 4: Simplify right side
    1,045.08x = 913,307.06
  5. Step 5: Solve for x
    x = 913,307.06/1,045.08
  6. Step 6: Final answer
    x = 873.91

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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.