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Finding the Fourth Proportional to 61,422.48, 84,762.12 and 35,946.36

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Solution

The fourth proportional to 61,422.48, 84,762.12 and 35,946.36 is: 49,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,422.48 : 84,762.12 = 35,946.36 : x
  2. Step 2: Convert to fraction form
    61,422.48/84,762.12 = 35,946.36/x
  3. Step 3: Cross multiply
    61,422.48x = 84,762.12 × 35,946.36
  4. Step 4: Simplify right side
    61,422.48x = 3,046,889,679.88
  5. Step 5: Solve for x
    x = 3,046,889,679.88/61,422.48
  6. Step 6: Final answer
    x = 49,605.45

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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.