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Finding the Fourth Proportional to 64,314.02, 96,503.92 and 30,618.12

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Solution

The fourth proportional to 64,314.02, 96,503.92 and 30,618.12 is: 45,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,314.02 : 96,503.92 = 30,618.12 : x
  2. Step 2: Convert to fraction form
    64,314.02/96,503.92 = 30,618.12/x
  3. Step 3: Cross multiply
    64,314.02x = 96,503.92 × 30,618.12
  4. Step 4: Simplify right side
    64,314.02x = 2,954,768,603.03
  5. Step 5: Solve for x
    x = 2,954,768,603.03/64,314.02
  6. Step 6: Final answer
    x = 45,942.84

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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.