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Finding the Fourth Proportional to 64,895.19, 97,354.80 and 20,533.11

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Solution

The fourth proportional to 64,895.19, 97,354.80 and 20,533.11 is: 30,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.19 : 97,354.80 = 20,533.11 : x
  2. Step 2: Convert to fraction form
    64,895.19/97,354.80 = 20,533.11/x
  3. Step 3: Cross multiply
    64,895.19x = 97,354.80 × 20,533.11
  4. Step 4: Simplify right side
    64,895.19x = 1,998,996,817.43
  5. Step 5: Solve for x
    x = 1,998,996,817.43/64,895.19
  6. Step 6: Final answer
    x = 30,803.47

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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.