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Finding the Fourth Proportional to 35,274.85, 52,911.58 and 8,621.01

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Solution

The fourth proportional to 35,274.85, 52,911.58 and 8,621.01 is: 12,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,274.85 : 52,911.58 = 8,621.01 : x
  2. Step 2: Convert to fraction form
    35,274.85/52,911.58 = 8,621.01/x
  3. Step 3: Cross multiply
    35,274.85x = 52,911.58 × 8,621.01
  4. Step 4: Simplify right side
    35,274.85x = 456,151,260.30
  5. Step 5: Solve for x
    x = 456,151,260.30/35,274.85
  6. Step 6: Final answer
    x = 12,931.35

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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.