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Finding the Fourth Proportional to 64,858.48, 89,504.76 and 35,050.48

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Solution

The fourth proportional to 64,858.48, 89,504.76 and 35,050.48 is: 48,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,858.48 : 89,504.76 = 35,050.48 : x
  2. Step 2: Convert to fraction form
    64,858.48/89,504.76 = 35,050.48/x
  3. Step 3: Cross multiply
    64,858.48x = 89,504.76 × 35,050.48
  4. Step 4: Simplify right side
    64,858.48x = 3,137,184,800.28
  5. Step 5: Solve for x
    x = 3,137,184,800.28/64,858.48
  6. Step 6: Final answer
    x = 48,369.69

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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.