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Finding the Fourth Proportional to 53,307.54, 79,918.11 and 22,166.10

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Solution

The fourth proportional to 53,307.54, 79,918.11 and 22,166.10 is: 33,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,307.54 : 79,918.11 = 22,166.10 : x
  2. Step 2: Convert to fraction form
    53,307.54/79,918.11 = 22,166.10/x
  3. Step 3: Cross multiply
    53,307.54x = 79,918.11 × 22,166.10
  4. Step 4: Simplify right side
    53,307.54x = 1,771,472,818.07
  5. Step 5: Solve for x
    x = 1,771,472,818.07/53,307.54
  6. Step 6: Final answer
    x = 33,231.19

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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.