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Finding the Fourth Proportional to 66,083.74, 91,196.92 and 37,403.40

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Solution

The fourth proportional to 66,083.74, 91,196.92 and 37,403.40 is: 51,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083.74 : 91,196.92 = 37,403.40 : x
  2. Step 2: Convert to fraction form
    66,083.74/91,196.92 = 37,403.40/x
  3. Step 3: Cross multiply
    66,083.74x = 91,196.92 × 37,403.40
  4. Step 4: Simplify right side
    66,083.74x = 3,411,074,877.53
  5. Step 5: Solve for x
    x = 3,411,074,877.53/66,083.74
  6. Step 6: Final answer
    x = 51,617.46

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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.