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Finding the Fourth Proportional to 70,329.03, 105,482.17 and 25,976.67

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Solution

The fourth proportional to 70,329.03, 105,482.17 and 25,976.67 is: 38,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,329.03 : 105,482.17 = 25,976.67 : x
  2. Step 2: Convert to fraction form
    70,329.03/105,482.17 = 25,976.67/x
  3. Step 3: Cross multiply
    70,329.03x = 105,482.17 × 25,976.67
  4. Step 4: Simplify right side
    70,329.03x = 2,740,075,520.97
  5. Step 5: Solve for x
    x = 2,740,075,520.97/70,329.03
  6. Step 6: Final answer
    x = 38,960.80

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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.