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Finding the Fourth Proportional to 70,677.58, 97,535.67 and 38,847.22

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Solution

The fourth proportional to 70,677.58, 97,535.67 and 38,847.22 is: 53,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677.58 : 97,535.67 = 38,847.22 : x
  2. Step 2: Convert to fraction form
    70,677.58/97,535.67 = 38,847.22/x
  3. Step 3: Cross multiply
    70,677.58x = 97,535.67 × 38,847.22
  4. Step 4: Simplify right side
    70,677.58x = 3,788,989,630.34
  5. Step 5: Solve for x
    x = 3,788,989,630.34/70,677.58
  6. Step 6: Final answer
    x = 53,609.50

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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.