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Finding the Fourth Proportional to 89,281.86, 133,918.95 and 26,950.50

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Solution

The fourth proportional to 89,281.86, 133,918.95 and 26,950.50 is: 40,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,281.86 : 133,918.95 = 26,950.50 : x
  2. Step 2: Convert to fraction form
    89,281.86/133,918.95 = 26,950.50/x
  3. Step 3: Cross multiply
    89,281.86x = 133,918.95 × 26,950.50
  4. Step 4: Simplify right side
    89,281.86x = 3,609,182,661.98
  5. Step 5: Solve for x
    x = 3,609,182,661.98/89,281.86
  6. Step 6: Final answer
    x = 40,424.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.