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Finding the Fourth Proportional to 82,794.15, 114,002.91 and 62,405.84

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Solution

The fourth proportional to 82,794.15, 114,002.91 and 62,405.84 is: 85,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,794.15 : 114,002.91 = 62,405.84 : x
  2. Step 2: Convert to fraction form
    82,794.15/114,002.91 = 62,405.84/x
  3. Step 3: Cross multiply
    82,794.15x = 114,002.91 × 62,405.84
  4. Step 4: Simplify right side
    82,794.15x = 7,114,447,646.00
  5. Step 5: Solve for x
    x = 7,114,447,646.00/82,794.15
  6. Step 6: Final answer
    x = 85,929.35

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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.