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Finding the Fourth Proportional to 69,509.64, 104,313.08 and 48,499.84

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Solution

The fourth proportional to 69,509.64, 104,313.08 and 48,499.84 is: 72,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,509.64 : 104,313.08 = 48,499.84 : x
  2. Step 2: Convert to fraction form
    69,509.64/104,313.08 = 48,499.84/x
  3. Step 3: Cross multiply
    69,509.64x = 104,313.08 × 48,499.84
  4. Step 4: Simplify right side
    69,509.64x = 5,059,167,689.91
  5. Step 5: Solve for x
    x = 5,059,167,689.91/69,509.64
  6. Step 6: Final answer
    x = 72,783.68

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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.