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Finding the Fourth Proportional to 45,582.03, 68,362.11 and 14,417.28

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Solution

The fourth proportional to 45,582.03, 68,362.11 and 14,417.28 is: 21,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,582.03 : 68,362.11 = 14,417.28 : x
  2. Step 2: Convert to fraction form
    45,582.03/68,362.11 = 14,417.28/x
  3. Step 3: Cross multiply
    45,582.03x = 68,362.11 × 14,417.28
  4. Step 4: Simplify right side
    45,582.03x = 985,595,681.26
  5. Step 5: Solve for x
    x = 985,595,681.26/45,582.03
  6. Step 6: Final answer
    x = 21,622.46

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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.