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Finding the Fourth Proportional to 64,466.46, 96,698.16 and 37,980.42

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Solution

The fourth proportional to 64,466.46, 96,698.16 and 37,980.42 is: 56,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,466.46 : 96,698.16 = 37,980.42 : x
  2. Step 2: Convert to fraction form
    64,466.46/96,698.16 = 37,980.42/x
  3. Step 3: Cross multiply
    64,466.46x = 96,698.16 × 37,980.42
  4. Step 4: Simplify right side
    64,466.46x = 3,672,636,730.03
  5. Step 5: Solve for x
    x = 3,672,636,730.03/64,466.46
  6. Step 6: Final answer
    x = 56,969.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.