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Finding the Fourth Proportional to 45,807.90, 63,216.72 and 25,664.94

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Solution

The fourth proportional to 45,807.90, 63,216.72 and 25,664.94 is: 35,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.90 : 63,216.72 = 25,664.94 : x
  2. Step 2: Convert to fraction form
    45,807.90/63,216.72 = 25,664.94/x
  3. Step 3: Cross multiply
    45,807.90x = 63,216.72 × 25,664.94
  4. Step 4: Simplify right side
    45,807.90x = 1,622,453,325.80
  5. Step 5: Solve for x
    x = 1,622,453,325.80/45,807.90
  6. Step 6: Final answer
    x = 35,418.64

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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.