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Finding the Fourth Proportional to 23,562.40, 35,343.60 and 19,703.20

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Solution

The fourth proportional to 23,562.40, 35,343.60 and 19,703.20 is: 29,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,562.40 : 35,343.60 = 19,703.20 : x
  2. Step 2: Convert to fraction form
    23,562.40/35,343.60 = 19,703.20/x
  3. Step 3: Cross multiply
    23,562.40x = 35,343.60 × 19,703.20
  4. Step 4: Simplify right side
    23,562.40x = 696,382,019.52
  5. Step 5: Solve for x
    x = 696,382,019.52/23,562.40
  6. Step 6: Final answer
    x = 29,554.80

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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.