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Finding the Fourth Proportional to 64,874.63, 89,526.99 and 35,066.63

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Solution

The fourth proportional to 64,874.63, 89,526.99 and 35,066.63 is: 48,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.63 : 89,526.99 = 35,066.63 : x
  2. Step 2: Convert to fraction form
    64,874.63/89,526.99 = 35,066.63/x
  3. Step 3: Cross multiply
    64,874.63x = 89,526.99 × 35,066.63
  4. Step 4: Simplify right side
    64,874.63x = 3,139,409,385.71
  5. Step 5: Solve for x
    x = 3,139,409,385.71/64,874.63
  6. Step 6: Final answer
    x = 48,391.95

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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.