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Finding the Fourth Proportional to 64,303.36, 88,723.20 and 36,004.48

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Solution

The fourth proportional to 64,303.36, 88,723.20 and 36,004.48 is: 49,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,303.36 : 88,723.20 = 36,004.48 : x
  2. Step 2: Convert to fraction form
    64,303.36/88,723.20 = 36,004.48/x
  3. Step 3: Cross multiply
    64,303.36x = 88,723.20 × 36,004.48
  4. Step 4: Simplify right side
    64,303.36x = 3,194,432,679.94
  5. Step 5: Solve for x
    x = 3,194,432,679.94/64,303.36
  6. Step 6: Final answer
    x = 49,677.54

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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.