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Finding the Fourth Proportional to 66,858.03, 92,069.64 and 62,584.20

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Solution

The fourth proportional to 66,858.03, 92,069.64 and 62,584.20 is: 86,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,858.03 : 92,069.64 = 62,584.20 : x
  2. Step 2: Convert to fraction form
    66,858.03/92,069.64 = 62,584.20/x
  3. Step 3: Cross multiply
    66,858.03x = 92,069.64 × 62,584.20
  4. Step 4: Simplify right side
    66,858.03x = 5,762,104,763.69
  5. Step 5: Solve for x
    x = 5,762,104,763.69/66,858.03
  6. Step 6: Final answer
    x = 86,184.18

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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.