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Finding the Fourth Proportional to 56,281.61, 84,409.85 and 16,833.60

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Solution

The fourth proportional to 56,281.61, 84,409.85 and 16,833.60 is: 25,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,281.61 : 84,409.85 = 16,833.60 : x
  2. Step 2: Convert to fraction form
    56,281.61/84,409.85 = 16,833.60/x
  3. Step 3: Cross multiply
    56,281.61x = 84,409.85 × 16,833.60
  4. Step 4: Simplify right side
    56,281.61x = 1,420,921,566.79
  5. Step 5: Solve for x
    x = 1,420,921,566.79/56,281.61
  6. Step 6: Final answer
    x = 25,246.64

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1.5x scale

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.