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Finding the Fourth Proportional to 35,695.20, 53,521.20 and 15,970.08

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Solution

The fourth proportional to 35,695.20, 53,521.20 and 15,970.08 is: 23,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,695.20 : 53,521.20 = 15,970.08 : x
  2. Step 2: Convert to fraction form
    35,695.20/53,521.20 = 15,970.08/x
  3. Step 3: Cross multiply
    35,695.20x = 53,521.20 × 15,970.08
  4. Step 4: Simplify right side
    35,695.20x = 854,737,845.70
  5. Step 5: Solve for x
    x = 854,737,845.70/35,695.20
  6. Step 6: Final answer
    x = 23,945.46

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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.