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Finding the Fourth Proportional to 70,527.48, 105,808.71 and 35,005.47

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Solution

The fourth proportional to 70,527.48, 105,808.71 and 35,005.47 is: 52,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,527.48 : 105,808.71 = 35,005.47 : x
  2. Step 2: Convert to fraction form
    70,527.48/105,808.71 = 35,005.47/x
  3. Step 3: Cross multiply
    70,527.48x = 105,808.71 × 35,005.47
  4. Step 4: Simplify right side
    70,527.48x = 3,703,883,358.13
  5. Step 5: Solve for x
    x = 3,703,883,358.13/70,527.48
  6. Step 6: Final answer
    x = 52,516.88

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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.