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Finding the Fourth Proportional to 52,533.81, 72,495.22 and 28,660.47

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Solution

The fourth proportional to 52,533.81, 72,495.22 and 28,660.47 is: 39,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,533.81 : 72,495.22 = 28,660.47 : x
  2. Step 2: Convert to fraction form
    52,533.81/72,495.22 = 28,660.47/x
  3. Step 3: Cross multiply
    52,533.81x = 72,495.22 × 28,660.47
  4. Step 4: Simplify right side
    52,533.81x = 2,077,747,077.95
  5. Step 5: Solve for x
    x = 2,077,747,077.95/52,533.81
  6. Step 6: Final answer
    x = 39,550.66

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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.