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Finding the Fourth Proportional to 32,650.80, 45,048.60 and 19,215.60

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Solution

The fourth proportional to 32,650.80, 45,048.60 and 19,215.60 is: 26,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,650.80 : 45,048.60 = 19,215.60 : x
  2. Step 2: Convert to fraction form
    32,650.80/45,048.60 = 19,215.60/x
  3. Step 3: Cross multiply
    32,650.80x = 45,048.60 × 19,215.60
  4. Step 4: Simplify right side
    32,650.80x = 865,635,878.16
  5. Step 5: Solve for x
    x = 865,635,878.16/32,650.80
  6. Step 6: Final answer
    x = 26,511.93

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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.