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Finding the Fourth Proportional to 64,608.84, 96,913.26 and 55,817.10

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Solution

The fourth proportional to 64,608.84, 96,913.26 and 55,817.10 is: 83,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,608.84 : 96,913.26 = 55,817.10 : x
  2. Step 2: Convert to fraction form
    64,608.84/96,913.26 = 55,817.10/x
  3. Step 3: Cross multiply
    64,608.84x = 96,913.26 × 55,817.10
  4. Step 4: Simplify right side
    64,608.84x = 5,409,417,124.75
  5. Step 5: Solve for x
    x = 5,409,417,124.75/64,608.84
  6. Step 6: Final answer
    x = 83,725.65

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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.