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Finding the Fourth Proportional to 62,547.75, 86,315.94 and 34,253.46

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Solution

The fourth proportional to 62,547.75, 86,315.94 and 34,253.46 is: 47,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,547.75 : 86,315.94 = 34,253.46 : x
  2. Step 2: Convert to fraction form
    62,547.75/86,315.94 = 34,253.46/x
  3. Step 3: Cross multiply
    62,547.75x = 86,315.94 × 34,253.46
  4. Step 4: Simplify right side
    62,547.75x = 2,956,619,598.15
  5. Step 5: Solve for x
    x = 2,956,619,598.15/62,547.75
  6. Step 6: Final answer
    x = 47,269.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.