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Finding the Fourth Proportional to 64,809.70, 97,214.55 and 23,251.30

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Solution

The fourth proportional to 64,809.70, 97,214.55 and 23,251.30 is: 34,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,809.70 : 97,214.55 = 23,251.30 : x
  2. Step 2: Convert to fraction form
    64,809.70/97,214.55 = 23,251.30/x
  3. Step 3: Cross multiply
    64,809.70x = 97,214.55 × 23,251.30
  4. Step 4: Simplify right side
    64,809.70x = 2,260,364,666.42
  5. Step 5: Solve for x
    x = 2,260,364,666.42/64,809.70
  6. Step 6: Final answer
    x = 34,876.95

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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.