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Finding the Fourth Proportional to 45,807.40, 63,216.03 and 25,664.45

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Solution

The fourth proportional to 45,807.40, 63,216.03 and 25,664.45 is: 35,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.40 : 63,216.03 = 25,664.45 : x
  2. Step 2: Convert to fraction form
    45,807.40/63,216.03 = 25,664.45/x
  3. Step 3: Cross multiply
    45,807.40x = 63,216.03 × 25,664.45
  4. Step 4: Simplify right side
    45,807.40x = 1,622,404,641.13
  5. Step 5: Solve for x
    x = 1,622,404,641.13/45,807.40
  6. Step 6: Final answer
    x = 35,417.96

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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.