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Finding the Fourth Proportional to 45,809.84, 63,213.84 and 25,665.08

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Solution

The fourth proportional to 45,809.84, 63,213.84 and 25,665.08 is: 35,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.84 : 63,213.84 = 25,665.08 : x
  2. Step 2: Convert to fraction form
    45,809.84/63,213.84 = 25,665.08/x
  3. Step 3: Cross multiply
    45,809.84x = 63,213.84 × 25,665.08
  4. Step 4: Simplify right side
    45,809.84x = 1,622,388,260.71
  5. Step 5: Solve for x
    x = 1,622,388,260.71/45,809.84
  6. Step 6: Final answer
    x = 35,415.72

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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.