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Finding the Fourth Proportional to 45,807.86, 63,210.84 and 25,662.08

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Solution

The fourth proportional to 45,807.86, 63,210.84 and 25,662.08 is: 35,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.86 : 63,210.84 = 25,662.08 : x
  2. Step 2: Convert to fraction form
    45,807.86/63,210.84 = 25,662.08/x
  3. Step 3: Cross multiply
    45,807.86x = 63,210.84 × 25,662.08
  4. Step 4: Simplify right side
    45,807.86x = 1,622,121,632.95
  5. Step 5: Solve for x
    x = 1,622,121,632.95/45,807.86
  6. Step 6: Final answer
    x = 35,411.43

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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.