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Finding the Fourth Proportional to 59,384.78, 89,075.01 and 17,830.70

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Solution

The fourth proportional to 59,384.78, 89,075.01 and 17,830.70 is: 26,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,384.78 : 89,075.01 = 17,830.70 : x
  2. Step 2: Convert to fraction form
    59,384.78/89,075.01 = 17,830.70/x
  3. Step 3: Cross multiply
    59,384.78x = 89,075.01 × 17,830.70
  4. Step 4: Simplify right side
    59,384.78x = 1,588,269,780.81
  5. Step 5: Solve for x
    x = 1,588,269,780.81/59,384.78
  6. Step 6: Final answer
    x = 26,745.40

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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.