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Finding the Fourth Proportional to 59,347.80, 81,938.21 and 52,963.47

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Solution

The fourth proportional to 59,347.80, 81,938.21 and 52,963.47 is: 73,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,347.80 : 81,938.21 = 52,963.47 : x
  2. Step 2: Convert to fraction form
    59,347.80/81,938.21 = 52,963.47/x
  3. Step 3: Cross multiply
    59,347.80x = 81,938.21 × 52,963.47
  4. Step 4: Simplify right side
    59,347.80x = 4,339,731,662.37
  5. Step 5: Solve for x
    x = 4,339,731,662.37/59,347.80
  6. Step 6: Final answer
    x = 73,123.72

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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.