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Finding the Fourth Proportional to 35,445.51, 48,914.82 and 19,530

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Solution

The fourth proportional to 35,445.51, 48,914.82 and 19,530 is: 26,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.51 : 48,914.82 = 19,530 : x
  2. Step 2: Convert to fraction form
    35,445.51/48,914.82 = 19,530/x
  3. Step 3: Cross multiply
    35,445.51x = 48,914.82 × 19,530
  4. Step 4: Simplify right side
    35,445.51x = 955,306,434.60
  5. Step 5: Solve for x
    x = 955,306,434.60/35,445.51
  6. Step 6: Final answer
    x = 26,951.41

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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.