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Finding the Fourth Proportional to 66,124.95, 91,258.06 and 37,449.62

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Solution

The fourth proportional to 66,124.95, 91,258.06 and 37,449.62 is: 51,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,124.95 : 91,258.06 = 37,449.62 : x
  2. Step 2: Convert to fraction form
    66,124.95/91,258.06 = 37,449.62/x
  3. Step 3: Cross multiply
    66,124.95x = 91,258.06 × 37,449.62
  4. Step 4: Simplify right side
    66,124.95x = 3,417,579,668.94
  5. Step 5: Solve for x
    x = 3,417,579,668.94/66,124.95
  6. Step 6: Final answer
    x = 51,683.66

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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.