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Finding the Fourth Proportional to 64,220.31, 88,621.61 and 35,925.98

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Solution

The fourth proportional to 64,220.31, 88,621.61 and 35,925.98 is: 49,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220.31 : 88,621.61 = 35,925.98 : x
  2. Step 2: Convert to fraction form
    64,220.31/88,621.61 = 35,925.98/x
  3. Step 3: Cross multiply
    64,220.31x = 88,621.61 × 35,925.98
  4. Step 4: Simplify right side
    64,220.31x = 3,183,817,565.69
  5. Step 5: Solve for x
    x = 3,183,817,565.69/64,220.31
  6. Step 6: Final answer
    x = 49,576.49

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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.