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Finding the Fourth Proportional to 98,321.50, 147,482.79 and 24,449.50

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Solution

The fourth proportional to 98,321.50, 147,482.79 and 24,449.50 is: 36,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,321.50 : 147,482.79 = 24,449.50 : x
  2. Step 2: Convert to fraction form
    98,321.50/147,482.79 = 24,449.50/x
  3. Step 3: Cross multiply
    98,321.50x = 147,482.79 × 24,449.50
  4. Step 4: Simplify right side
    98,321.50x = 3,605,880,474.11
  5. Step 5: Solve for x
    x = 3,605,880,474.11/98,321.50
  6. Step 6: Final answer
    x = 36,674.38

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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.