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Finding the Fourth Proportional to 46,912.40, 70,308.44 and 19,177.36

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Solution

The fourth proportional to 46,912.40, 70,308.44 and 19,177.36 is: 28,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,912.40 : 70,308.44 = 19,177.36 : x
  2. Step 2: Convert to fraction form
    46,912.40/70,308.44 = 19,177.36/x
  3. Step 3: Cross multiply
    46,912.40x = 70,308.44 × 19,177.36
  4. Step 4: Simplify right side
    46,912.40x = 1,348,330,264.92
  5. Step 5: Solve for x
    x = 1,348,330,264.92/46,912.40
  6. Step 6: Final answer
    x = 28,741.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.