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Finding the Fourth Proportional to 68,088.54, 93,962.17 and 38,280.54

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Solution

The fourth proportional to 68,088.54, 93,962.17 and 38,280.54 is: 52,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088.54 : 93,962.17 = 38,280.54 : x
  2. Step 2: Convert to fraction form
    68,088.54/93,962.17 = 38,280.54/x
  3. Step 3: Cross multiply
    68,088.54x = 93,962.17 × 38,280.54
  4. Step 4: Simplify right side
    68,088.54x = 3,596,922,137.36
  5. Step 5: Solve for x
    x = 3,596,922,137.36/68,088.54
  6. Step 6: Final answer
    x = 52,827.13

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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.