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Finding the Fourth Proportional to 66,099.03, 91,210.62 and 37,804.11

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Solution

The fourth proportional to 66,099.03, 91,210.62 and 37,804.11 is: 52,166.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,099.03 : 91,210.62 = 37,804.11 : x
  2. Step 2: Convert to fraction form
    66,099.03/91,210.62 = 37,804.11/x
  3. Step 3: Cross multiply
    66,099.03x = 91,210.62 × 37,804.11
  4. Step 4: Simplify right side
    66,099.03x = 3,448,136,311.65
  5. Step 5: Solve for x
    x = 3,448,136,311.65/66,099.03
  6. Step 6: Final answer
    x = 52,166.22

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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.