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Finding the Fourth Proportional to 61,090.90, 91,607.59 and 23,668.49

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Solution

The fourth proportional to 61,090.90, 91,607.59 and 23,668.49 is: 35,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,090.90 : 91,607.59 = 23,668.49 : x
  2. Step 2: Convert to fraction form
    61,090.90/91,607.59 = 23,668.49/x
  3. Step 3: Cross multiply
    61,090.90x = 91,607.59 × 23,668.49
  4. Step 4: Simplify right side
    61,090.90x = 2,168,213,586.44
  5. Step 5: Solve for x
    x = 2,168,213,586.44/61,090.90
  6. Step 6: Final answer
    x = 35,491.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.