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Finding the Fourth Proportional to 89,241, 133,866.98 and 26,911.50

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Solution

The fourth proportional to 89,241, 133,866.98 and 26,911.50 is: 40,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,241 : 133,866.98 = 26,911.50 : x
  2. Step 2: Convert to fraction form
    89,241/133,866.98 = 26,911.50/x
  3. Step 3: Cross multiply
    89,241x = 133,866.98 × 26,911.50
  4. Step 4: Simplify right side
    89,241x = 3,602,561,097.71
  5. Step 5: Solve for x
    x = 3,602,561,097.71/89,241
  6. Step 6: Final answer
    x = 40,368.90

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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.