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Finding the Fourth Proportional to 64,812.03, 97,130.55 and 33,669.15

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Solution

The fourth proportional to 64,812.03, 97,130.55 and 33,669.15 is: 50,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,812.03 : 97,130.55 = 33,669.15 : x
  2. Step 2: Convert to fraction form
    64,812.03/97,130.55 = 33,669.15/x
  3. Step 3: Cross multiply
    64,812.03x = 97,130.55 × 33,669.15
  4. Step 4: Simplify right side
    64,812.03x = 3,270,303,057.53
  5. Step 5: Solve for x
    x = 3,270,303,057.53/64,812.03
  6. Step 6: Final answer
    x = 50,458.27

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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.