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Finding the Fourth Proportional to 64,125.30, 88,492.69 and 35,830.99

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Solution

The fourth proportional to 64,125.30, 88,492.69 and 35,830.99 is: 49,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.30 : 88,492.69 = 35,830.99 : x
  2. Step 2: Convert to fraction form
    64,125.30/88,492.69 = 35,830.99/x
  3. Step 3: Cross multiply
    64,125.30x = 88,492.69 × 35,830.99
  4. Step 4: Simplify right side
    64,125.30x = 3,170,780,690.46
  5. Step 5: Solve for x
    x = 3,170,780,690.46/64,125.30
  6. Step 6: Final answer
    x = 49,446.64

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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.