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Finding the Fourth Proportional to 64,071.58, 88,410.54 and 35,778.46

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Solution

The fourth proportional to 64,071.58, 88,410.54 and 35,778.46 is: 49,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,071.58 : 88,410.54 = 35,778.46 : x
  2. Step 2: Convert to fraction form
    64,071.58/88,410.54 = 35,778.46/x
  3. Step 3: Cross multiply
    64,071.58x = 88,410.54 × 35,778.46
  4. Step 4: Simplify right side
    64,071.58x = 3,163,192,968.97
  5. Step 5: Solve for x
    x = 3,163,192,968.97/64,071.58
  6. Step 6: Final answer
    x = 49,369.67

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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.