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Finding the Fourth Proportional to 59,436.79, 82,031.17 and 36,783.08

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Solution

The fourth proportional to 59,436.79, 82,031.17 and 36,783.08 is: 50,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,436.79 : 82,031.17 = 36,783.08 : x
  2. Step 2: Convert to fraction form
    59,436.79/82,031.17 = 36,783.08/x
  3. Step 3: Cross multiply
    59,436.79x = 82,031.17 × 36,783.08
  4. Step 4: Simplify right side
    59,436.79x = 3,017,358,678.45
  5. Step 5: Solve for x
    x = 3,017,358,678.45/59,436.79
  6. Step 6: Final answer
    x = 50,765.84

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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.