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Finding the Fourth Proportional to 14,502.30, 21,753.45 and 9,894.30

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Solution

The fourth proportional to 14,502.30, 21,753.45 and 9,894.30 is: 14,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.30 : 21,753.45 = 9,894.30 : x
  2. Step 2: Convert to fraction form
    14,502.30/21,753.45 = 9,894.30/x
  3. Step 3: Cross multiply
    14,502.30x = 21,753.45 × 9,894.30
  4. Step 4: Simplify right side
    14,502.30x = 215,235,160.34
  5. Step 5: Solve for x
    x = 215,235,160.34/14,502.30
  6. Step 6: Final answer
    x = 14,841.45

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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.