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Finding the Fourth Proportional to 34,645.80, 51,968.70 and 15,925.80

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Solution

The fourth proportional to 34,645.80, 51,968.70 and 15,925.80 is: 23,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,645.80 : 51,968.70 = 15,925.80 : x
  2. Step 2: Convert to fraction form
    34,645.80/51,968.70 = 15,925.80/x
  3. Step 3: Cross multiply
    34,645.80x = 51,968.70 × 15,925.80
  4. Step 4: Simplify right side
    34,645.80x = 827,643,122.46
  5. Step 5: Solve for x
    x = 827,643,122.46/34,645.80
  6. Step 6: Final answer
    x = 23,888.70

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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.