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Finding the Fourth Proportional to 64,324.64, 88,768.40 and 36,030.32

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Solution

The fourth proportional to 64,324.64, 88,768.40 and 36,030.32 is: 49,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,324.64 : 88,768.40 = 36,030.32 : x
  2. Step 2: Convert to fraction form
    64,324.64/88,768.40 = 36,030.32/x
  3. Step 3: Cross multiply
    64,324.64x = 88,768.40 × 36,030.32
  4. Step 4: Simplify right side
    64,324.64x = 3,198,353,857.89
  5. Step 5: Solve for x
    x = 3,198,353,857.89/64,324.64
  6. Step 6: Final answer
    x = 49,722.06

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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.