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Finding the Fourth Proportional to 35,898.93, 53,870.85 and 13,714.20

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Solution

The fourth proportional to 35,898.93, 53,870.85 and 13,714.20 is: 20,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,898.93 : 53,870.85 = 13,714.20 : x
  2. Step 2: Convert to fraction form
    35,898.93/53,870.85 = 13,714.20/x
  3. Step 3: Cross multiply
    35,898.93x = 53,870.85 × 13,714.20
  4. Step 4: Simplify right side
    35,898.93x = 738,795,611.07
  5. Step 5: Solve for x
    x = 738,795,611.07/35,898.93
  6. Step 6: Final answer
    x = 20,579.88

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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.