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Finding the Fourth Proportional to 53,064, 73,228.32 and 30,708

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Solution

The fourth proportional to 53,064, 73,228.32 and 30,708 is: 42,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,064 : 73,228.32 = 30,708 : x
  2. Step 2: Convert to fraction form
    53,064/73,228.32 = 30,708/x
  3. Step 3: Cross multiply
    53,064x = 73,228.32 × 30,708
  4. Step 4: Simplify right side
    53,064x = 2,248,695,250.56
  5. Step 5: Solve for x
    x = 2,248,695,250.56/53,064
  6. Step 6: Final answer
    x = 42,377.04

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