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Finding the Fourth Proportional to 64,459.20, 88,954.02 and 36,165.09

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Solution

The fourth proportional to 64,459.20, 88,954.02 and 36,165.09 is: 49,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,459.20 : 88,954.02 = 36,165.09 : x
  2. Step 2: Convert to fraction form
    64,459.20/88,954.02 = 36,165.09/x
  3. Step 3: Cross multiply
    64,459.20x = 88,954.02 × 36,165.09
  4. Step 4: Simplify right side
    64,459.20x = 3,217,030,139.16
  5. Step 5: Solve for x
    x = 3,217,030,139.16/64,459.20
  6. Step 6: Final answer
    x = 49,908.01

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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.