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Finding the Fourth Proportional to 14,606.70, 21,898.64 and 6,714.48

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Solution

The fourth proportional to 14,606.70, 21,898.64 and 6,714.48 is: 10,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.70 : 21,898.64 = 6,714.48 : x
  2. Step 2: Convert to fraction form
    14,606.70/21,898.64 = 6,714.48/x
  3. Step 3: Cross multiply
    14,606.70x = 21,898.64 × 6,714.48
  4. Step 4: Simplify right side
    14,606.70x = 147,037,980.31
  5. Step 5: Solve for x
    x = 147,037,980.31/14,606.70
  6. Step 6: Final answer
    x = 10,066.47

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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.