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Finding the Fourth Proportional to 7,045.78, 10,561.04 and 4,582.36

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Solution

The fourth proportional to 7,045.78, 10,561.04 and 4,582.36 is: 6,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.78 : 10,561.04 = 4,582.36 : x
  2. Step 2: Convert to fraction form
    7,045.78/10,561.04 = 4,582.36/x
  3. Step 3: Cross multiply
    7,045.78x = 10,561.04 × 4,582.36
  4. Step 4: Simplify right side
    7,045.78x = 48,394,490.75
  5. Step 5: Solve for x
    x = 48,394,490.75/7,045.78
  6. Step 6: Final answer
    x = 6,868.58

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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.