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Finding the Fourth Proportional to 60,576.70, 90,883.65 and 31,015.29

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Solution

The fourth proportional to 60,576.70, 90,883.65 and 31,015.29 is: 46,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,576.70 : 90,883.65 = 31,015.29 : x
  2. Step 2: Convert to fraction form
    60,576.70/90,883.65 = 31,015.29/x
  3. Step 3: Cross multiply
    60,576.70x = 90,883.65 × 31,015.29
  4. Step 4: Simplify right side
    60,576.70x = 2,818,782,151.51
  5. Step 5: Solve for x
    x = 2,818,782,151.51/60,576.70
  6. Step 6: Final answer
    x = 46,532.45

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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.