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Finding the Fourth Proportional to 64,701.60, 97,019.58 and 29,611.20

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Solution

The fourth proportional to 64,701.60, 97,019.58 and 29,611.20 is: 44,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,701.60 : 97,019.58 = 29,611.20 : x
  2. Step 2: Convert to fraction form
    64,701.60/97,019.58 = 29,611.20/x
  3. Step 3: Cross multiply
    64,701.60x = 97,019.58 × 29,611.20
  4. Step 4: Simplify right side
    64,701.60x = 2,872,866,187.30
  5. Step 5: Solve for x
    x = 2,872,866,187.30/64,701.60
  6. Step 6: Final answer
    x = 44,401.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.