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Finding the Fourth Proportional to 66,060.84, 91,152.54 and 37,381.80

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Solution

The fourth proportional to 66,060.84, 91,152.54 and 37,381.80 is: 51,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,060.84 : 91,152.54 = 37,381.80 : x
  2. Step 2: Convert to fraction form
    66,060.84/91,152.54 = 37,381.80/x
  3. Step 3: Cross multiply
    66,060.84x = 91,152.54 × 37,381.80
  4. Step 4: Simplify right side
    66,060.84x = 3,407,446,019.77
  5. Step 5: Solve for x
    x = 3,407,446,019.77/66,060.84
  6. Step 6: Final answer
    x = 51,580.42

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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.