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Finding the Fourth Proportional to 64,874.94, 89,527.73 and 38,017.64

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Solution

The fourth proportional to 64,874.94, 89,527.73 and 38,017.64 is: 52,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.94 : 89,527.73 = 38,017.64 : x
  2. Step 2: Convert to fraction form
    64,874.94/89,527.73 = 38,017.64/x
  3. Step 3: Cross multiply
    64,874.94x = 89,527.73 × 38,017.64
  4. Step 4: Simplify right side
    64,874.94x = 3,403,632,371.43
  5. Step 5: Solve for x
    x = 3,403,632,371.43/64,874.94
  6. Step 6: Final answer
    x = 52,464.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.