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Finding the Fourth Proportional to 64,087.98, 96,015.30 and 62,688.30

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Solution

The fourth proportional to 64,087.98, 96,015.30 and 62,688.30 is: 93,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,087.98 : 96,015.30 = 62,688.30 : x
  2. Step 2: Convert to fraction form
    64,087.98/96,015.30 = 62,688.30/x
  3. Step 3: Cross multiply
    64,087.98x = 96,015.30 × 62,688.30
  4. Step 4: Simplify right side
    64,087.98x = 6,019,035,930.99
  5. Step 5: Solve for x
    x = 6,019,035,930.99/64,087.98
  6. Step 6: Final answer
    x = 93,918.33

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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.