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Finding the Fourth Proportional to 57,318.07, 78,968.82 and 44,352.77

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Solution

The fourth proportional to 57,318.07, 78,968.82 and 44,352.77 is: 61,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318.07 : 78,968.82 = 44,352.77 : x
  2. Step 2: Convert to fraction form
    57,318.07/78,968.82 = 44,352.77/x
  3. Step 3: Cross multiply
    57,318.07x = 78,968.82 × 44,352.77
  4. Step 4: Simplify right side
    57,318.07x = 3,502,485,682.11
  5. Step 5: Solve for x
    x = 3,502,485,682.11/57,318.07
  6. Step 6: Final answer
    x = 61,106.13

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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.