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Finding the Fourth Proportional to 45,980.80, 63,465.60 and 27,124

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Solution

The fourth proportional to 45,980.80, 63,465.60 and 27,124 is: 37,438.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,980.80 : 63,465.60 = 27,124 : x
  2. Step 2: Convert to fraction form
    45,980.80/63,465.60 = 27,124/x
  3. Step 3: Cross multiply
    45,980.80x = 63,465.60 × 27,124
  4. Step 4: Simplify right side
    45,980.80x = 1,721,440,934.40
  5. Step 5: Solve for x
    x = 1,721,440,934.40/45,980.80
  6. Step 6: Final answer
    x = 37,438.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.