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Finding the Fourth Proportional to 70,609.77, 97,504.74 and 52,673.61

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Solution

The fourth proportional to 70,609.77, 97,504.74 and 52,673.61 is: 72,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,609.77 : 97,504.74 = 52,673.61 : x
  2. Step 2: Convert to fraction form
    70,609.77/97,504.74 = 52,673.61/x
  3. Step 3: Cross multiply
    70,609.77x = 97,504.74 × 52,673.61
  4. Step 4: Simplify right side
    70,609.77x = 5,135,926,647.91
  5. Step 5: Solve for x
    x = 5,135,926,647.91/70,609.77
  6. Step 6: Final answer
    x = 72,736.77

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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.