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Finding the Fourth Proportional to 34,833.59, 48,070.49 and 18,918.30

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Solution

The fourth proportional to 34,833.59, 48,070.49 and 18,918.30 is: 26,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,833.59 : 48,070.49 = 18,918.30 : x
  2. Step 2: Convert to fraction form
    34,833.59/48,070.49 = 18,918.30/x
  3. Step 3: Cross multiply
    34,833.59x = 48,070.49 × 18,918.30
  4. Step 4: Simplify right side
    34,833.59x = 909,411,856.38
  5. Step 5: Solve for x
    x = 909,411,856.38/34,833.59
  6. Step 6: Final answer
    x = 26,107.33

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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.