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Finding the Fourth Proportional to 34,986.44, 48,281.86 and 19,070.88

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Solution

The fourth proportional to 34,986.44, 48,281.86 and 19,070.88 is: 26,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.44 : 48,281.86 = 19,070.88 : x
  2. Step 2: Convert to fraction form
    34,986.44/48,281.86 = 19,070.88/x
  3. Step 3: Cross multiply
    34,986.44x = 48,281.86 × 19,070.88
  4. Step 4: Simplify right side
    34,986.44x = 920,777,558.24
  5. Step 5: Solve for x
    x = 920,777,558.24/34,986.44
  6. Step 6: Final answer
    x = 26,318.13

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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.