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Finding the Fourth Proportional to 61,055.14, 84,256.94 and 39,822.22

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Solution

The fourth proportional to 61,055.14, 84,256.94 and 39,822.22 is: 54,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,055.14 : 84,256.94 = 39,822.22 : x
  2. Step 2: Convert to fraction form
    61,055.14/84,256.94 = 39,822.22/x
  3. Step 3: Cross multiply
    61,055.14x = 84,256.94 × 39,822.22
  4. Step 4: Simplify right side
    61,055.14x = 3,355,298,401.21
  5. Step 5: Solve for x
    x = 3,355,298,401.21/61,055.14
  6. Step 6: Final answer
    x = 54,955.22

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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.