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Finding the Fourth Proportional to 44,774.76, 67,176.72 and 21,403

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Solution

The fourth proportional to 44,774.76, 67,176.72 and 21,403 is: 32,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,774.76 : 67,176.72 = 21,403 : x
  2. Step 2: Convert to fraction form
    44,774.76/67,176.72 = 21,403/x
  3. Step 3: Cross multiply
    44,774.76x = 67,176.72 × 21,403
  4. Step 4: Simplify right side
    44,774.76x = 1,437,783,338.16
  5. Step 5: Solve for x
    x = 1,437,783,338.16/44,774.76
  6. Step 6: Final answer
    x = 32,111.47

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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.