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Finding the Fourth Proportional to 58,296.58, 87,112.92 and 43,776.22

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Solution

The fourth proportional to 58,296.58, 87,112.92 and 43,776.22 is: 65,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,296.58 : 87,112.92 = 43,776.22 : x
  2. Step 2: Convert to fraction form
    58,296.58/87,112.92 = 43,776.22/x
  3. Step 3: Cross multiply
    58,296.58x = 87,112.92 × 43,776.22
  4. Step 4: Simplify right side
    58,296.58x = 3,813,473,915.20
  5. Step 5: Solve for x
    x = 3,813,473,915.20/58,296.58
  6. Step 6: Final answer
    x = 65,415.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.