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Finding the Fourth Proportional to 14,417, 19,897.44 and 8,451.04

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Solution

The fourth proportional to 14,417, 19,897.44 and 8,451.04 is: 11,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417 : 19,897.44 = 8,451.04 : x
  2. Step 2: Convert to fraction form
    14,417/19,897.44 = 8,451.04/x
  3. Step 3: Cross multiply
    14,417x = 19,897.44 × 8,451.04
  4. Step 4: Simplify right side
    14,417x = 168,154,061.34
  5. Step 5: Solve for x
    x = 168,154,061.34/14,417
  6. Step 6: Final answer
    x = 11,663.60

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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.