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Finding the Fourth Proportional to 19,502.31, 26,913.05 and 10,549.68

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Solution

The fourth proportional to 19,502.31, 26,913.05 and 10,549.68 is: 14,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.31 : 26,913.05 = 10,549.68 : x
  2. Step 2: Convert to fraction form
    19,502.31/26,913.05 = 10,549.68/x
  3. Step 3: Cross multiply
    19,502.31x = 26,913.05 × 10,549.68
  4. Step 4: Simplify right side
    19,502.31x = 283,924,065.32
  5. Step 5: Solve for x
    x = 283,924,065.32/19,502.31
  6. Step 6: Final answer
    x = 14,558.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.