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Finding the Fourth Proportional to 47,329.60, 70,994.40 and 35,579.20

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Solution

The fourth proportional to 47,329.60, 70,994.40 and 35,579.20 is: 53,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,329.60 : 70,994.40 = 35,579.20 : x
  2. Step 2: Convert to fraction form
    47,329.60/70,994.40 = 35,579.20/x
  3. Step 3: Cross multiply
    47,329.60x = 70,994.40 × 35,579.20
  4. Step 4: Simplify right side
    47,329.60x = 2,525,923,956.48
  5. Step 5: Solve for x
    x = 2,525,923,956.48/47,329.60
  6. Step 6: Final answer
    x = 53,368.80

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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.