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Finding the Fourth Proportional to 34,760.64, 52,140.90 and 9,800.64

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Solution

The fourth proportional to 34,760.64, 52,140.90 and 9,800.64 is: 14,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,760.64 : 52,140.90 = 9,800.64 : x
  2. Step 2: Convert to fraction form
    34,760.64/52,140.90 = 9,800.64/x
  3. Step 3: Cross multiply
    34,760.64x = 52,140.90 × 9,800.64
  4. Step 4: Simplify right side
    34,760.64x = 511,014,190.18
  5. Step 5: Solve for x
    x = 511,014,190.18/34,760.64
  6. Step 6: Final answer
    x = 14,700.94

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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.