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Finding the Fourth Proportional to 74,625.40, 104,613.80 and 74,625.40

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Solution

The fourth proportional to 74,625.40, 104,613.80 and 74,625.40 is: 104,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,625.40 : 104,613.80 = 74,625.40 : x
  2. Step 2: Convert to fraction form
    74,625.40/104,613.80 = 74,625.40/x
  3. Step 3: Cross multiply
    74,625.40x = 104,613.80 × 74,625.40
  4. Step 4: Simplify right side
    74,625.40x = 7,806,846,670.52
  5. Step 5: Solve for x
    x = 7,806,846,670.52/74,625.40
  6. Step 6: Final answer
    x = 104,613.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.