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Finding the Fourth Proportional to 70,655.28, 97,504.34 and 38,826.24

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Solution

The fourth proportional to 70,655.28, 97,504.34 and 38,826.24 is: 53,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,655.28 : 97,504.34 = 38,826.24 : x
  2. Step 2: Convert to fraction form
    70,655.28/97,504.34 = 38,826.24/x
  3. Step 3: Cross multiply
    70,655.28x = 97,504.34 × 38,826.24
  4. Step 4: Simplify right side
    70,655.28x = 3,785,726,905.88
  5. Step 5: Solve for x
    x = 3,785,726,905.88/70,655.28
  6. Step 6: Final answer
    x = 53,580.24

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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.