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Finding the Fourth Proportional to 17,223.60, 25,810.80 and 9,812.40

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Solution

The fourth proportional to 17,223.60, 25,810.80 and 9,812.40 is: 14,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,223.60 : 25,810.80 = 9,812.40 : x
  2. Step 2: Convert to fraction form
    17,223.60/25,810.80 = 9,812.40/x
  3. Step 3: Cross multiply
    17,223.60x = 25,810.80 × 9,812.40
  4. Step 4: Simplify right side
    17,223.60x = 253,265,893.92
  5. Step 5: Solve for x
    x = 253,265,893.92/17,223.60
  6. Step 6: Final answer
    x = 14,704.59

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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.