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Finding the Fourth Proportional to 24,307.50, 36,461.25 and 7,891.50

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Solution

The fourth proportional to 24,307.50, 36,461.25 and 7,891.50 is: 11,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,307.50 : 36,461.25 = 7,891.50 : x
  2. Step 2: Convert to fraction form
    24,307.50/36,461.25 = 7,891.50/x
  3. Step 3: Cross multiply
    24,307.50x = 36,461.25 × 7,891.50
  4. Step 4: Simplify right side
    24,307.50x = 287,733,954.38
  5. Step 5: Solve for x
    x = 287,733,954.38/24,307.50
  6. Step 6: Final answer
    x = 11,837.25

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Double scale
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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.