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Finding the Fourth Proportional to 67,902.50, 93,703.70 and 37,686.94

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Solution

The fourth proportional to 67,902.50, 93,703.70 and 37,686.94 is: 52,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,902.50 : 93,703.70 = 37,686.94 : x
  2. Step 2: Convert to fraction form
    67,902.50/93,703.70 = 37,686.94/x
  3. Step 3: Cross multiply
    67,902.50x = 93,703.70 × 37,686.94
  4. Step 4: Simplify right side
    67,902.50x = 3,531,405,579.64
  5. Step 5: Solve for x
    x = 3,531,405,579.64/67,902.50
  6. Step 6: Final answer
    x = 52,007.00

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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.