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Finding the Fourth Proportional to 32,889.80, 45,384.54 and 19,458.45

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Solution

The fourth proportional to 32,889.80, 45,384.54 and 19,458.45 is: 26,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,889.80 : 45,384.54 = 19,458.45 : x
  2. Step 2: Convert to fraction form
    32,889.80/45,384.54 = 19,458.45/x
  3. Step 3: Cross multiply
    32,889.80x = 45,384.54 × 19,458.45
  4. Step 4: Simplify right side
    32,889.80x = 883,112,802.36
  5. Step 5: Solve for x
    x = 883,112,802.36/32,889.80
  6. Step 6: Final answer
    x = 26,850.66

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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.