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Finding the Fourth Proportional to 66,700.37, 99,939.48 and 46,937.42

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Solution

The fourth proportional to 66,700.37, 99,939.48 and 46,937.42 is: 70,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,700.37 : 99,939.48 = 46,937.42 : x
  2. Step 2: Convert to fraction form
    66,700.37/99,939.48 = 46,937.42/x
  3. Step 3: Cross multiply
    66,700.37x = 99,939.48 × 46,937.42
  4. Step 4: Simplify right side
    66,700.37x = 4,690,901,347.34
  5. Step 5: Solve for x
    x = 4,690,901,347.34/66,700.37
  6. Step 6: Final answer
    x = 70,327.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.