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Finding the Fourth Proportional to 66,225.04, 91,388.04 and 36,010.40

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Solution

The fourth proportional to 66,225.04, 91,388.04 and 36,010.40 is: 49,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,225.04 : 91,388.04 = 36,010.40 : x
  2. Step 2: Convert to fraction form
    66,225.04/91,388.04 = 36,010.40/x
  3. Step 3: Cross multiply
    66,225.04x = 91,388.04 × 36,010.40
  4. Step 4: Simplify right side
    66,225.04x = 3,290,919,875.62
  5. Step 5: Solve for x
    x = 3,290,919,875.62/66,225.04
  6. Step 6: Final answer
    x = 49,692.98

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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.