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Finding the Fourth Proportional to 64,885.08, 89,541.54 and 35,077.08

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Solution

The fourth proportional to 64,885.08, 89,541.54 and 35,077.08 is: 48,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,885.08 : 89,541.54 = 35,077.08 : x
  2. Step 2: Convert to fraction form
    64,885.08/89,541.54 = 35,077.08/x
  3. Step 3: Cross multiply
    64,885.08x = 89,541.54 × 35,077.08
  4. Step 4: Simplify right side
    64,885.08x = 3,140,855,761.90
  5. Step 5: Solve for x
    x = 3,140,855,761.90/64,885.08
  6. Step 6: Final answer
    x = 48,406.44

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1.5x scale

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.