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Finding the Fourth Proportional to 64,495.08, 89,004.42 and 36,199.08

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Solution

The fourth proportional to 64,495.08, 89,004.42 and 36,199.08 is: 49,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,495.08 : 89,004.42 = 36,199.08 : x
  2. Step 2: Convert to fraction form
    64,495.08/89,004.42 = 36,199.08/x
  3. Step 3: Cross multiply
    64,495.08x = 89,004.42 × 36,199.08
  4. Step 4: Simplify right side
    64,495.08x = 3,221,878,119.93
  5. Step 5: Solve for x
    x = 3,221,878,119.93/64,495.08
  6. Step 6: Final answer
    x = 49,955.41

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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.