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Finding the Fourth Proportional to 64,069.36, 88,420.08 and 35,774.44

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Solution

The fourth proportional to 64,069.36, 88,420.08 and 35,774.44 is: 49,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,069.36 : 88,420.08 = 35,774.44 : x
  2. Step 2: Convert to fraction form
    64,069.36/88,420.08 = 35,774.44/x
  3. Step 3: Cross multiply
    64,069.36x = 88,420.08 × 35,774.44
  4. Step 4: Simplify right side
    64,069.36x = 3,163,178,846.76
  5. Step 5: Solve for x
    x = 3,163,178,846.76/64,069.36
  6. Step 6: Final answer
    x = 49,371.16

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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.