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Finding the Fourth Proportional to 14,304.69, 21,460.68 and 7,730.96

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Solution

The fourth proportional to 14,304.69, 21,460.68 and 7,730.96 is: 11,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.69 : 21,460.68 = 7,730.96 : x
  2. Step 2: Convert to fraction form
    14,304.69/21,460.68 = 7,730.96/x
  3. Step 3: Cross multiply
    14,304.69x = 21,460.68 × 7,730.96
  4. Step 4: Simplify right side
    14,304.69x = 165,911,551.35
  5. Step 5: Solve for x
    x = 165,911,551.35/14,304.69
  6. Step 6: Final answer
    x = 11,598.40

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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.