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Finding the Fourth Proportional to 14,464.76, 21,681.94 and 7,059.02

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Solution

The fourth proportional to 14,464.76, 21,681.94 and 7,059.02 is: 10,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.76 : 21,681.94 = 7,059.02 : x
  2. Step 2: Convert to fraction form
    14,464.76/21,681.94 = 7,059.02/x
  3. Step 3: Cross multiply
    14,464.76x = 21,681.94 × 7,059.02
  4. Step 4: Simplify right side
    14,464.76x = 153,053,248.10
  5. Step 5: Solve for x
    x = 153,053,248.10/14,464.76
  6. Step 6: Final answer
    x = 10,581.11

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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.