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Finding the Fourth Proportional to 69,513.86, 104,270.79 and 25,130.23

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Solution

The fourth proportional to 69,513.86, 104,270.79 and 25,130.23 is: 37,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,513.86 : 104,270.79 = 25,130.23 : x
  2. Step 2: Convert to fraction form
    69,513.86/104,270.79 = 25,130.23/x
  3. Step 3: Cross multiply
    69,513.86x = 104,270.79 × 25,130.23
  4. Step 4: Simplify right side
    69,513.86x = 2,620,348,934.98
  5. Step 5: Solve for x
    x = 2,620,348,934.98/69,513.86
  6. Step 6: Final answer
    x = 37,695.35

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Double scale
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Similar ratio
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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.