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Finding the Fourth Proportional to 66,008.94, 91,090.71 and 37,712.22

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Solution

The fourth proportional to 66,008.94, 91,090.71 and 37,712.22 is: 52,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,008.94 : 91,090.71 = 37,712.22 : x
  2. Step 2: Convert to fraction form
    66,008.94/91,090.71 = 37,712.22/x
  3. Step 3: Cross multiply
    66,008.94x = 91,090.71 × 37,712.22
  4. Step 4: Simplify right side
    66,008.94x = 3,435,232,895.48
  5. Step 5: Solve for x
    x = 3,435,232,895.48/66,008.94
  6. Step 6: Final answer
    x = 52,041.93

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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.