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Finding the Fourth Proportional to 64,008.86, 88,307.59 and 40,093.90

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Solution

The fourth proportional to 64,008.86, 88,307.59 and 40,093.90 is: 55,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,008.86 : 88,307.59 = 40,093.90 : x
  2. Step 2: Convert to fraction form
    64,008.86/88,307.59 = 40,093.90/x
  3. Step 3: Cross multiply
    64,008.86x = 88,307.59 × 40,093.90
  4. Step 4: Simplify right side
    64,008.86x = 3,540,595,682.70
  5. Step 5: Solve for x
    x = 3,540,595,682.70/64,008.86
  6. Step 6: Final answer
    x = 55,314.15

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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.