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Finding the Fourth Proportional to 50,955.74, 70,320.70 and 28,295.12

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Solution

The fourth proportional to 50,955.74, 70,320.70 and 28,295.12 is: 39,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,955.74 : 70,320.70 = 28,295.12 : x
  2. Step 2: Convert to fraction form
    50,955.74/70,320.70 = 28,295.12/x
  3. Step 3: Cross multiply
    50,955.74x = 70,320.70 × 28,295.12
  4. Step 4: Simplify right side
    50,955.74x = 1,989,732,169.59
  5. Step 5: Solve for x
    x = 1,989,732,169.59/50,955.74
  6. Step 6: Final answer
    x = 39,048.24

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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.