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Finding the Fourth Proportional to 61,076.70, 91,600.74 and 34,434.18

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Solution

The fourth proportional to 61,076.70, 91,600.74 and 34,434.18 is: 51,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,076.70 : 91,600.74 = 34,434.18 : x
  2. Step 2: Convert to fraction form
    61,076.70/91,600.74 = 34,434.18/x
  3. Step 3: Cross multiply
    61,076.70x = 91,600.74 × 34,434.18
  4. Step 4: Simplify right side
    61,076.70x = 3,154,196,369.29
  5. Step 5: Solve for x
    x = 3,154,196,369.29/61,076.70
  6. Step 6: Final answer
    x = 51,643.20

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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.