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Finding the Fourth Proportional to 64,415.50, 88,863.15 and 45,563.02

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Solution

The fourth proportional to 64,415.50, 88,863.15 and 45,563.02 is: 62,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,415.50 : 88,863.15 = 45,563.02 : x
  2. Step 2: Convert to fraction form
    64,415.50/88,863.15 = 45,563.02/x
  3. Step 3: Cross multiply
    64,415.50x = 88,863.15 × 45,563.02
  4. Step 4: Simplify right side
    64,415.50x = 4,048,873,480.71
  5. Step 5: Solve for x
    x = 4,048,873,480.71/64,415.50
  6. Step 6: Final answer
    x = 62,855.58

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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.