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Finding the Fourth Proportional to 67,698.12, 93,420.03 and 37,482.90

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Solution

The fourth proportional to 67,698.12, 93,420.03 and 37,482.90 is: 51,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698.12 : 93,420.03 = 37,482.90 : x
  2. Step 2: Convert to fraction form
    67,698.12/93,420.03 = 37,482.90/x
  3. Step 3: Cross multiply
    67,698.12x = 93,420.03 × 37,482.90
  4. Step 4: Simplify right side
    67,698.12x = 3,501,653,642.49
  5. Step 5: Solve for x
    x = 3,501,653,642.49/67,698.12
  6. Step 6: Final answer
    x = 51,724.53

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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.