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Finding the Fourth Proportional to 64,220.76, 88,633.58 and 35,928.36

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Solution

The fourth proportional to 64,220.76, 88,633.58 and 35,928.36 is: 49,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220.76 : 88,633.58 = 35,928.36 : x
  2. Step 2: Convert to fraction form
    64,220.76/88,633.58 = 35,928.36/x
  3. Step 3: Cross multiply
    64,220.76x = 88,633.58 × 35,928.36
  4. Step 4: Simplify right side
    64,220.76x = 3,184,459,170.33
  5. Step 5: Solve for x
    x = 3,184,459,170.33/64,220.76
  6. Step 6: Final answer
    x = 49,586.13

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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.