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Finding the Fourth Proportional to 70,898.02, 97,843.62 and 39,066.91

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Solution

The fourth proportional to 70,898.02, 97,843.62 and 39,066.91 is: 53,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,898.02 : 97,843.62 = 39,066.91 : x
  2. Step 2: Convert to fraction form
    70,898.02/97,843.62 = 39,066.91/x
  3. Step 3: Cross multiply
    70,898.02x = 97,843.62 × 39,066.91
  4. Step 4: Simplify right side
    70,898.02x = 3,822,447,896.61
  5. Step 5: Solve for x
    x = 3,822,447,896.61/70,898.02
  6. Step 6: Final answer
    x = 53,914.73

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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.