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Finding the Fourth Proportional to 64,430.76, 88,914.44 and 36,136.44

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Solution

The fourth proportional to 64,430.76, 88,914.44 and 36,136.44 is: 49,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.76 : 88,914.44 = 36,136.44 : x
  2. Step 2: Convert to fraction form
    64,430.76/88,914.44 = 36,136.44/x
  3. Step 3: Cross multiply
    64,430.76x = 88,914.44 × 36,136.44
  4. Step 4: Simplify right side
    64,430.76x = 3,213,051,326.19
  5. Step 5: Solve for x
    x = 3,213,051,326.19/64,430.76
  6. Step 6: Final answer
    x = 49,868.28

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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.