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Finding the Fourth Proportional to 65,990.04, 98,985.12 and 16,069.74

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Solution

The fourth proportional to 65,990.04, 98,985.12 and 16,069.74 is: 24,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,990.04 : 98,985.12 = 16,069.74 : x
  2. Step 2: Convert to fraction form
    65,990.04/98,985.12 = 16,069.74/x
  3. Step 3: Cross multiply
    65,990.04x = 98,985.12 × 16,069.74
  4. Step 4: Simplify right side
    65,990.04x = 1,590,665,142.27
  5. Step 5: Solve for x
    x = 1,590,665,142.27/65,990.04
  6. Step 6: Final answer
    x = 24,104.62

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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.