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Finding the Fourth Proportional to 14,985.40, 22,491.91 and 7,595.10

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Solution

The fourth proportional to 14,985.40, 22,491.91 and 7,595.10 is: 11,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.40 : 22,491.91 = 7,595.10 : x
  2. Step 2: Convert to fraction form
    14,985.40/22,491.91 = 7,595.10/x
  3. Step 3: Cross multiply
    14,985.40x = 22,491.91 × 7,595.10
  4. Step 4: Simplify right side
    14,985.40x = 170,828,305.64
  5. Step 5: Solve for x
    x = 170,828,305.64/14,985.40
  6. Step 6: Final answer
    x = 11,399.65

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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.