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Finding the Fourth Proportional to 64,521.60, 96,776.88 and 29,458.48

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Solution

The fourth proportional to 64,521.60, 96,776.88 and 29,458.48 is: 44,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.60 : 96,776.88 = 29,458.48 : x
  2. Step 2: Convert to fraction form
    64,521.60/96,776.88 = 29,458.48/x
  3. Step 3: Cross multiply
    64,521.60x = 96,776.88 × 29,458.48
  4. Step 4: Simplify right side
    64,521.60x = 2,850,899,783.94
  5. Step 5: Solve for x
    x = 2,850,899,783.94/64,521.60
  6. Step 6: Final answer
    x = 44,185.20

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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.