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Finding the Fourth Proportional to 64,800.30, 97,200.45 and 27,402.60

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Solution

The fourth proportional to 64,800.30, 97,200.45 and 27,402.60 is: 41,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,800.30 : 97,200.45 = 27,402.60 : x
  2. Step 2: Convert to fraction form
    64,800.30/97,200.45 = 27,402.60/x
  3. Step 3: Cross multiply
    64,800.30x = 97,200.45 × 27,402.60
  4. Step 4: Simplify right side
    64,800.30x = 2,663,545,051.17
  5. Step 5: Solve for x
    x = 2,663,545,051.17/64,800.30
  6. Step 6: Final answer
    x = 41,103.90

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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.