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Finding the Fourth Proportional to 64,992.76, 97,492.62 and 20,622.88

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Solution

The fourth proportional to 64,992.76, 97,492.62 and 20,622.88 is: 30,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,992.76 : 97,492.62 = 20,622.88 : x
  2. Step 2: Convert to fraction form
    64,992.76/97,492.62 = 20,622.88/x
  3. Step 3: Cross multiply
    64,992.76x = 97,492.62 × 20,622.88
  4. Step 4: Simplify right side
    64,992.76x = 2,010,578,603.15
  5. Step 5: Solve for x
    x = 2,010,578,603.15/64,992.76
  6. Step 6: Final answer
    x = 30,935.42

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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.