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Finding the Fourth Proportional to 68,024.80, 93,870.20 and 37,809.08

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Solution

The fourth proportional to 68,024.80, 93,870.20 and 37,809.08 is: 52,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,024.80 : 93,870.20 = 37,809.08 : x
  2. Step 2: Convert to fraction form
    68,024.80/93,870.20 = 37,809.08/x
  3. Step 3: Cross multiply
    68,024.80x = 93,870.20 × 37,809.08
  4. Step 4: Simplify right side
    68,024.80x = 3,549,145,901.42
  5. Step 5: Solve for x
    x = 3,549,145,901.42/68,024.80
  6. Step 6: Final answer
    x = 52,174.29

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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.