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Finding the Fourth Proportional to 70,796.33, 97,628.91 and 64,651.67

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Solution

The fourth proportional to 70,796.33, 97,628.91 and 64,651.67 is: 89,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,796.33 : 97,628.91 = 64,651.67 : x
  2. Step 2: Convert to fraction form
    70,796.33/97,628.91 = 64,651.67/x
  3. Step 3: Cross multiply
    70,796.33x = 97,628.91 × 64,651.67
  4. Step 4: Simplify right side
    70,796.33x = 6,311,872,073.41
  5. Step 5: Solve for x
    x = 6,311,872,073.41/70,796.33
  6. Step 6: Final answer
    x = 89,155.35

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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.