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Finding the Fourth Proportional to 32,776.80, 45,220.32 and 19,341.33

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Solution

The fourth proportional to 32,776.80, 45,220.32 and 19,341.33 is: 26,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,776.80 : 45,220.32 = 19,341.33 : x
  2. Step 2: Convert to fraction form
    32,776.80/45,220.32 = 19,341.33/x
  3. Step 3: Cross multiply
    32,776.80x = 45,220.32 × 19,341.33
  4. Step 4: Simplify right side
    32,776.80x = 874,621,131.83
  5. Step 5: Solve for x
    x = 874,621,131.83/32,776.80
  6. Step 6: Final answer
    x = 26,684.15

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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.