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Finding the Fourth Proportional to 58,431.48, 80,672.40 and 44,977.44

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Solution

The fourth proportional to 58,431.48, 80,672.40 and 44,977.44 is: 62,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,431.48 : 80,672.40 = 44,977.44 : x
  2. Step 2: Convert to fraction form
    58,431.48/80,672.40 = 44,977.44/x
  3. Step 3: Cross multiply
    58,431.48x = 80,672.40 × 44,977.44
  4. Step 4: Simplify right side
    58,431.48x = 3,628,438,030.66
  5. Step 5: Solve for x
    x = 3,628,438,030.66/58,431.48
  6. Step 6: Final answer
    x = 62,097.32

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1.5x scale

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.