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Finding the Fourth Proportional to 66,136.08, 91,283.52 and 37,858.08

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Solution

The fourth proportional to 66,136.08, 91,283.52 and 37,858.08 is: 52,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136.08 : 91,283.52 = 37,858.08 : x
  2. Step 2: Convert to fraction form
    66,136.08/91,283.52 = 37,858.08/x
  3. Step 3: Cross multiply
    66,136.08x = 91,283.52 × 37,858.08
  4. Step 4: Simplify right side
    66,136.08x = 3,455,818,802.84
  5. Step 5: Solve for x
    x = 3,455,818,802.84/66,136.08
  6. Step 6: Final answer
    x = 52,253.15

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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.