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Finding the Fourth Proportional to 56,411.76, 84,617.62 and 14,858.76

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Solution

The fourth proportional to 56,411.76, 84,617.62 and 14,858.76 is: 22,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,411.76 : 84,617.62 = 14,858.76 : x
  2. Step 2: Convert to fraction form
    56,411.76/84,617.62 = 14,858.76/x
  3. Step 3: Cross multiply
    56,411.76x = 84,617.62 × 14,858.76
  4. Step 4: Simplify right side
    56,411.76x = 1,257,312,907.35
  5. Step 5: Solve for x
    x = 1,257,312,907.35/56,411.76
  6. Step 6: Final answer
    x = 22,288.13

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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.