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Finding the Fourth Proportional to 70,304.86, 97,022.21 and 38,473.79

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Solution

The fourth proportional to 70,304.86, 97,022.21 and 38,473.79 is: 53,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,304.86 : 97,022.21 = 38,473.79 : x
  2. Step 2: Convert to fraction form
    70,304.86/97,022.21 = 38,473.79/x
  3. Step 3: Cross multiply
    70,304.86x = 97,022.21 × 38,473.79
  4. Step 4: Simplify right side
    70,304.86x = 3,732,811,455.40
  5. Step 5: Solve for x
    x = 3,732,811,455.40/70,304.86
  6. Step 6: Final answer
    x = 53,094.64

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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.