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Finding the Fourth Proportional to 35,223.60, 52,816.20 and 14,423.60

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Solution

The fourth proportional to 35,223.60, 52,816.20 and 14,423.60 is: 21,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,223.60 : 52,816.20 = 14,423.60 : x
  2. Step 2: Convert to fraction form
    35,223.60/52,816.20 = 14,423.60/x
  3. Step 3: Cross multiply
    35,223.60x = 52,816.20 × 14,423.60
  4. Step 4: Simplify right side
    35,223.60x = 761,799,742.32
  5. Step 5: Solve for x
    x = 761,799,742.32/35,223.60
  6. Step 6: Final answer
    x = 21,627.54

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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.