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Finding the Fourth Proportional to 35,415.40, 53,125.02 and 13,234.60

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Solution

The fourth proportional to 35,415.40, 53,125.02 and 13,234.60 is: 19,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.40 : 53,125.02 = 13,234.60 : x
  2. Step 2: Convert to fraction form
    35,415.40/53,125.02 = 13,234.60/x
  3. Step 3: Cross multiply
    35,415.40x = 53,125.02 × 13,234.60
  4. Step 4: Simplify right side
    35,415.40x = 703,088,389.69
  5. Step 5: Solve for x
    x = 703,088,389.69/35,415.40
  6. Step 6: Final answer
    x = 19,852.62

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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.