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Finding the Fourth Proportional to 60,973.04, 84,138 and 34,113.44

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Solution

The fourth proportional to 60,973.04, 84,138 and 34,113.44 is: 47,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,973.04 : 84,138 = 34,113.44 : x
  2. Step 2: Convert to fraction form
    60,973.04/84,138 = 34,113.44/x
  3. Step 3: Cross multiply
    60,973.04x = 84,138 × 34,113.44
  4. Step 4: Simplify right side
    60,973.04x = 2,870,236,614.72
  5. Step 5: Solve for x
    x = 2,870,236,614.72/60,973.04
  6. Step 6: Final answer
    x = 47,073.86

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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.