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Finding the Fourth Proportional to 64,009.79, 88,326.81 and 35,328.92

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Solution

The fourth proportional to 64,009.79, 88,326.81 and 35,328.92 is: 48,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.79 : 88,326.81 = 35,328.92 : x
  2. Step 2: Convert to fraction form
    64,009.79/88,326.81 = 35,328.92/x
  3. Step 3: Cross multiply
    64,009.79x = 88,326.81 × 35,328.92
  4. Step 4: Simplify right side
    64,009.79x = 3,120,491,268.05
  5. Step 5: Solve for x
    x = 3,120,491,268.05/64,009.79
  6. Step 6: Final answer
    x = 48,750.22

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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.