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Finding the Fourth Proportional to 64,807.56, 89,434.44 and 34,999.56

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Solution

The fourth proportional to 64,807.56, 89,434.44 and 34,999.56 is: 48,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,807.56 : 89,434.44 = 34,999.56 : x
  2. Step 2: Convert to fraction form
    64,807.56/89,434.44 = 34,999.56/x
  3. Step 3: Cross multiply
    64,807.56x = 89,434.44 × 34,999.56
  4. Step 4: Simplify right side
    64,807.56x = 3,130,166,048.85
  5. Step 5: Solve for x
    x = 3,130,166,048.85/64,807.56
  6. Step 6: Final answer
    x = 48,299.40

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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.