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Finding the Fourth Proportional to 70,483.82, 105,737.57 and 34,946.90

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Solution

The fourth proportional to 70,483.82, 105,737.57 and 34,946.90 is: 52,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,483.82 : 105,737.57 = 34,946.90 : x
  2. Step 2: Convert to fraction form
    70,483.82/105,737.57 = 34,946.90/x
  3. Step 3: Cross multiply
    70,483.82x = 105,737.57 × 34,946.90
  4. Step 4: Simplify right side
    70,483.82x = 3,695,199,843.71
  5. Step 5: Solve for x
    x = 3,695,199,843.71/70,483.82
  6. Step 6: Final answer
    x = 52,426.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.