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Finding the Fourth Proportional to 75,000.69, 112,501.14 and 30,627.44

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Solution

The fourth proportional to 75,000.69, 112,501.14 and 30,627.44 is: 45,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.69 : 112,501.14 = 30,627.44 : x
  2. Step 2: Convert to fraction form
    75,000.69/112,501.14 = 30,627.44/x
  3. Step 3: Cross multiply
    75,000.69x = 112,501.14 × 30,627.44
  4. Step 4: Simplify right side
    75,000.69x = 3,445,622,461.38
  5. Step 5: Solve for x
    x = 3,445,622,461.38/75,000.69
  6. Step 6: Final answer
    x = 45,941.21

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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.