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Finding the Fourth Proportional to 66,328.74, 91,529.03 and 37,648.98

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Solution

The fourth proportional to 66,328.74, 91,529.03 and 37,648.98 is: 51,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.74 : 91,529.03 = 37,648.98 : x
  2. Step 2: Convert to fraction form
    66,328.74/91,529.03 = 37,648.98/x
  3. Step 3: Cross multiply
    66,328.74x = 91,529.03 × 37,648.98
  4. Step 4: Simplify right side
    66,328.74x = 3,445,974,431.64
  5. Step 5: Solve for x
    x = 3,445,974,431.64/66,328.74
  6. Step 6: Final answer
    x = 51,952.96

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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.