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Finding the Fourth Proportional to 34,987.86, 48,283.88 and 19,072.98

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Solution

The fourth proportional to 34,987.86, 48,283.88 and 19,072.98 is: 26,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,987.86 : 48,283.88 = 19,072.98 : x
  2. Step 2: Convert to fraction form
    34,987.86/48,283.88 = 19,072.98/x
  3. Step 3: Cross multiply
    34,987.86x = 48,283.88 × 19,072.98
  4. Step 4: Simplify right side
    34,987.86x = 920,917,382.20
  5. Step 5: Solve for x
    x = 920,917,382.20/34,987.86
  6. Step 6: Final answer
    x = 26,321.05

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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.