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Finding the Fourth Proportional to 82,612.40, 114,005.92 and 46,801.64

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Solution

The fourth proportional to 82,612.40, 114,005.92 and 46,801.64 is: 64,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,612.40 : 114,005.92 = 46,801.64 : x
  2. Step 2: Convert to fraction form
    82,612.40/114,005.92 = 46,801.64/x
  3. Step 3: Cross multiply
    82,612.40x = 114,005.92 × 46,801.64
  4. Step 4: Simplify right side
    82,612.40x = 5,335,664,025.71
  5. Step 5: Solve for x
    x = 5,335,664,025.71/82,612.40
  6. Step 6: Final answer
    x = 64,586.72

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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.