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Finding the Fourth Proportional to 68,064.60, 93,707.10 and 53,698.44

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Solution

The fourth proportional to 68,064.60, 93,707.10 and 53,698.44 is: 73,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,064.60 : 93,707.10 = 53,698.44 : x
  2. Step 2: Convert to fraction form
    68,064.60/93,707.10 = 53,698.44/x
  3. Step 3: Cross multiply
    68,064.60x = 93,707.10 × 53,698.44
  4. Step 4: Simplify right side
    68,064.60x = 5,031,925,086.92
  5. Step 5: Solve for x
    x = 5,031,925,086.92/68,064.60
  6. Step 6: Final answer
    x = 73,928.67

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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.