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Finding the Fourth Proportional to 62,460, 93,678.56 and 18,075.84

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Solution

The fourth proportional to 62,460, 93,678.56 and 18,075.84 is: 27,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,460 : 93,678.56 = 18,075.84 : x
  2. Step 2: Convert to fraction form
    62,460/93,678.56 = 18,075.84/x
  3. Step 3: Cross multiply
    62,460x = 93,678.56 × 18,075.84
  4. Step 4: Simplify right side
    62,460x = 1,693,318,661.99
  5. Step 5: Solve for x
    x = 1,693,318,661.99/62,460
  6. Step 6: Final answer
    x = 27,110.45

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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.