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Finding the Fourth Proportional to 62,492.91, 93,749.09 and 20,363.19

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Solution

The fourth proportional to 62,492.91, 93,749.09 and 20,363.19 is: 30,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,492.91 : 93,749.09 = 20,363.19 : x
  2. Step 2: Convert to fraction form
    62,492.91/93,749.09 = 20,363.19/x
  3. Step 3: Cross multiply
    62,492.91x = 93,749.09 × 20,363.19
  4. Step 4: Simplify right side
    62,492.91x = 1,909,030,532.00
  5. Step 5: Solve for x
    x = 1,909,030,532.00/62,492.91
  6. Step 6: Final answer
    x = 30,547.95

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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.