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Finding the Fourth Proportional to 70,841.70, 97,735.14 and 40,616.28

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Solution

The fourth proportional to 70,841.70, 97,735.14 and 40,616.28 is: 56,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,841.70 : 97,735.14 = 40,616.28 : x
  2. Step 2: Convert to fraction form
    70,841.70/97,735.14 = 40,616.28/x
  3. Step 3: Cross multiply
    70,841.70x = 97,735.14 × 40,616.28
  4. Step 4: Simplify right side
    70,841.70x = 3,969,637,812.08
  5. Step 5: Solve for x
    x = 3,969,637,812.08/70,841.70
  6. Step 6: Final answer
    x = 56,035.33

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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.