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Finding the Fourth Proportional to 68,000.40, 93,838.68 and 37,784.94

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Solution

The fourth proportional to 68,000.40, 93,838.68 and 37,784.94 is: 52,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.40 : 93,838.68 = 37,784.94 : x
  2. Step 2: Convert to fraction form
    68,000.40/93,838.68 = 37,784.94/x
  3. Step 3: Cross multiply
    68,000.40x = 93,838.68 × 37,784.94
  4. Step 4: Simplify right side
    68,000.40x = 3,545,688,893.48
  5. Step 5: Solve for x
    x = 3,545,688,893.48/68,000.40
  6. Step 6: Final answer
    x = 52,142.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.