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Finding the Fourth Proportional to 69,666.70, 96,135.51 and 44,513.50

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Solution

The fourth proportional to 69,666.70, 96,135.51 and 44,513.50 is: 61,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,666.70 : 96,135.51 = 44,513.50 : x
  2. Step 2: Convert to fraction form
    69,666.70/96,135.51 = 44,513.50/x
  3. Step 3: Cross multiply
    69,666.70x = 96,135.51 × 44,513.50
  4. Step 4: Simplify right side
    69,666.70x = 4,279,328,024.39
  5. Step 5: Solve for x
    x = 4,279,328,024.39/69,666.70
  6. Step 6: Final answer
    x = 61,425.73

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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.