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Finding the Fourth Proportional to 70,533.38, 97,332.72 and 38,701.64

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Solution

The fourth proportional to 70,533.38, 97,332.72 and 38,701.64 is: 53,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,533.38 : 97,332.72 = 38,701.64 : x
  2. Step 2: Convert to fraction form
    70,533.38/97,332.72 = 38,701.64/x
  3. Step 3: Cross multiply
    70,533.38x = 97,332.72 × 38,701.64
  4. Step 4: Simplify right side
    70,533.38x = 3,766,935,889.66
  5. Step 5: Solve for x
    x = 3,766,935,889.66/70,533.38
  6. Step 6: Final answer
    x = 53,406.43

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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.