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Finding the Fourth Proportional to 62,412.93, 93,615.74 and 18,038.70

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Solution

The fourth proportional to 62,412.93, 93,615.74 and 18,038.70 is: 27,056.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,412.93 : 93,615.74 = 18,038.70 : x
  2. Step 2: Convert to fraction form
    62,412.93/93,615.74 = 18,038.70/x
  3. Step 3: Cross multiply
    62,412.93x = 93,615.74 × 18,038.70
  4. Step 4: Simplify right side
    62,412.93x = 1,688,706,158.94
  5. Step 5: Solve for x
    x = 1,688,706,158.94/62,412.93
  6. Step 6: Final answer
    x = 27,056.99

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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.