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Finding the Fourth Proportional to 70,320.81, 97,042.37 and 38,055.41

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Solution

The fourth proportional to 70,320.81, 97,042.37 and 38,055.41 is: 52,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,320.81 : 97,042.37 = 38,055.41 : x
  2. Step 2: Convert to fraction form
    70,320.81/97,042.37 = 38,055.41/x
  3. Step 3: Cross multiply
    70,320.81x = 97,042.37 × 38,055.41
  4. Step 4: Simplify right side
    70,320.81x = 3,692,986,502.23
  5. Step 5: Solve for x
    x = 3,692,986,502.23/70,320.81
  6. Step 6: Final answer
    x = 52,516.27

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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.