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Finding the Fourth Proportional to 64,874.08, 89,526.36 and 35,066.08

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Solution

The fourth proportional to 64,874.08, 89,526.36 and 35,066.08 is: 48,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.08 : 89,526.36 = 35,066.08 : x
  2. Step 2: Convert to fraction form
    64,874.08/89,526.36 = 35,066.08/x
  3. Step 3: Cross multiply
    64,874.08x = 89,526.36 × 35,066.08
  4. Step 4: Simplify right side
    64,874.08x = 3,139,338,501.87
  5. Step 5: Solve for x
    x = 3,139,338,501.87/64,874.08
  6. Step 6: Final answer
    x = 48,391.26

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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.