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Finding the Fourth Proportional to 64,453.68, 88,893.36 and 45,396.72

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Solution

The fourth proportional to 64,453.68, 88,893.36 and 45,396.72 is: 62,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,453.68 : 88,893.36 = 45,396.72 : x
  2. Step 2: Convert to fraction form
    64,453.68/88,893.36 = 45,396.72/x
  3. Step 3: Cross multiply
    64,453.68x = 88,893.36 × 45,396.72
  4. Step 4: Simplify right side
    64,453.68x = 4,035,466,973.78
  5. Step 5: Solve for x
    x = 4,035,466,973.78/64,453.68
  6. Step 6: Final answer
    x = 62,610.34

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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.