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Finding the Fourth Proportional to 64,363.84, 88,804.10 and 50,709.50

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Solution

The fourth proportional to 64,363.84, 88,804.10 and 50,709.50 is: 69,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,363.84 : 88,804.10 = 50,709.50 : x
  2. Step 2: Convert to fraction form
    64,363.84/88,804.10 = 50,709.50/x
  3. Step 3: Cross multiply
    64,363.84x = 88,804.10 × 50,709.50
  4. Step 4: Simplify right side
    64,363.84x = 4,503,211,508.95
  5. Step 5: Solve for x
    x = 4,503,211,508.95/64,363.84
  6. Step 6: Final answer
    x = 69,964.93

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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.