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Finding the Fourth Proportional to 23,870.70, 35,810.10 and 7,230.60

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Solution

The fourth proportional to 23,870.70, 35,810.10 and 7,230.60 is: 10,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,870.70 : 35,810.10 = 7,230.60 : x
  2. Step 2: Convert to fraction form
    23,870.70/35,810.10 = 7,230.60/x
  3. Step 3: Cross multiply
    23,870.70x = 35,810.10 × 7,230.60
  4. Step 4: Simplify right side
    23,870.70x = 258,928,509.06
  5. Step 5: Solve for x
    x = 258,928,509.06/23,870.70
  6. Step 6: Final answer
    x = 10,847.13

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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.