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Finding the Fourth Proportional to 56,929.66, 85,384.81 and 15,366.94

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Solution

The fourth proportional to 56,929.66, 85,384.81 and 15,366.94 is: 23,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,929.66 : 85,384.81 = 15,366.94 : x
  2. Step 2: Convert to fraction form
    56,929.66/85,384.81 = 15,366.94/x
  3. Step 3: Cross multiply
    56,929.66x = 85,384.81 × 15,366.94
  4. Step 4: Simplify right side
    56,929.66x = 1,312,103,252.18
  5. Step 5: Solve for x
    x = 1,312,103,252.18/56,929.66
  6. Step 6: Final answer
    x = 23,047.80

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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.