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Finding the Fourth Proportional to 58,483.51, 87,724.45 and 14,109.89

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Solution

The fourth proportional to 58,483.51, 87,724.45 and 14,109.89 is: 21,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,483.51 : 87,724.45 = 14,109.89 : x
  2. Step 2: Convert to fraction form
    58,483.51/87,724.45 = 14,109.89/x
  3. Step 3: Cross multiply
    58,483.51x = 87,724.45 × 14,109.89
  4. Step 4: Simplify right side
    58,483.51x = 1,237,782,339.81
  5. Step 5: Solve for x
    x = 1,237,782,339.81/58,483.51
  6. Step 6: Final answer
    x = 21,164.64

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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.