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Finding the Fourth Proportional to 64,318.86, 88,764.12 and 36,026.28

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Solution

The fourth proportional to 64,318.86, 88,764.12 and 36,026.28 is: 49,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,318.86 : 88,764.12 = 36,026.28 : x
  2. Step 2: Convert to fraction form
    64,318.86/88,764.12 = 36,026.28/x
  3. Step 3: Cross multiply
    64,318.86x = 88,764.12 × 36,026.28
  4. Step 4: Simplify right side
    64,318.86x = 3,197,841,041.07
  5. Step 5: Solve for x
    x = 3,197,841,041.07/64,318.86
  6. Step 6: Final answer
    x = 49,718.56

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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.