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Finding the Fourth Proportional to 61,809.95, 85,283.43 and 41,704.13

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Solution

The fourth proportional to 61,809.95, 85,283.43 and 41,704.13 is: 57,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.95 : 85,283.43 = 41,704.13 : x
  2. Step 2: Convert to fraction form
    61,809.95/85,283.43 = 41,704.13/x
  3. Step 3: Cross multiply
    61,809.95x = 85,283.43 × 41,704.13
  4. Step 4: Simplify right side
    61,809.95x = 3,556,671,308.38
  5. Step 5: Solve for x
    x = 3,556,671,308.38/61,809.95
  6. Step 6: Final answer
    x = 57,542.05

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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.