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Finding the Fourth Proportional to 83,344.55, 115,015.55 and 47,533.64

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Solution

The fourth proportional to 83,344.55, 115,015.55 and 47,533.64 is: 65,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,344.55 : 115,015.55 = 47,533.64 : x
  2. Step 2: Convert to fraction form
    83,344.55/115,015.55 = 47,533.64/x
  3. Step 3: Cross multiply
    83,344.55x = 115,015.55 × 47,533.64
  4. Step 4: Simplify right side
    83,344.55x = 5,467,106,935.36
  5. Step 5: Solve for x
    x = 5,467,106,935.36/83,344.55
  6. Step 6: Final answer
    x = 65,596.46

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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.