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Finding the Fourth Proportional to 64,246.64, 88,693.92 and 40,054.91

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Solution

The fourth proportional to 64,246.64, 88,693.92 and 40,054.91 is: 55,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,246.64 : 88,693.92 = 40,054.91 : x
  2. Step 2: Convert to fraction form
    64,246.64/88,693.92 = 40,054.91/x
  3. Step 3: Cross multiply
    64,246.64x = 88,693.92 × 40,054.91
  4. Step 4: Simplify right side
    64,246.64x = 3,552,626,539.68
  5. Step 5: Solve for x
    x = 3,552,626,539.68/64,246.64
  6. Step 6: Final answer
    x = 55,296.69

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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.