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Finding the Fourth Proportional to 64,999.26, 89,701.02 and 36,706.77

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Solution

The fourth proportional to 64,999.26, 89,701.02 and 36,706.77 is: 50,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,999.26 : 89,701.02 = 36,706.77 : x
  2. Step 2: Convert to fraction form
    64,999.26/89,701.02 = 36,706.77/x
  3. Step 3: Cross multiply
    64,999.26x = 89,701.02 × 36,706.77
  4. Step 4: Simplify right side
    64,999.26x = 3,292,634,709.91
  5. Step 5: Solve for x
    x = 3,292,634,709.91/64,999.26
  6. Step 6: Final answer
    x = 50,656.50

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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.