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Finding the Fourth Proportional to 61,391.42, 92,087.80 and 17,018.54

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Solution

The fourth proportional to 61,391.42, 92,087.80 and 17,018.54 is: 25,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,391.42 : 92,087.80 = 17,018.54 : x
  2. Step 2: Convert to fraction form
    61,391.42/92,087.80 = 17,018.54/x
  3. Step 3: Cross multiply
    61,391.42x = 92,087.80 × 17,018.54
  4. Step 4: Simplify right side
    61,391.42x = 1,567,199,907.81
  5. Step 5: Solve for x
    x = 1,567,199,907.81/61,391.42
  6. Step 6: Final answer
    x = 25,528.00

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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.