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Finding the Fourth Proportional to 45,903.25, 68,854.02 and 12,623.17

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Solution

The fourth proportional to 45,903.25, 68,854.02 and 12,623.17 is: 18,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903.25 : 68,854.02 = 12,623.17 : x
  2. Step 2: Convert to fraction form
    45,903.25/68,854.02 = 12,623.17/x
  3. Step 3: Cross multiply
    45,903.25x = 68,854.02 × 12,623.17
  4. Step 4: Simplify right side
    45,903.25x = 869,155,999.64
  5. Step 5: Solve for x
    x = 869,155,999.64/45,903.25
  6. Step 6: Final answer
    x = 18,934.52

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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.