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Finding the Fourth Proportional to 64,361.88, 88,883.60 and 53,069.67

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Solution

The fourth proportional to 64,361.88, 88,883.60 and 53,069.67 is: 73,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361.88 : 88,883.60 = 53,069.67 : x
  2. Step 2: Convert to fraction form
    64,361.88/88,883.60 = 53,069.67/x
  3. Step 3: Cross multiply
    64,361.88x = 88,883.60 × 53,069.67
  4. Step 4: Simplify right side
    64,361.88x = 4,717,023,055.06
  5. Step 5: Solve for x
    x = 4,717,023,055.06/64,361.88
  6. Step 6: Final answer
    x = 73,289.08

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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.