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Finding the Fourth Proportional to 46,054.53, 69,081.80 and 12,774.60

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Solution

The fourth proportional to 46,054.53, 69,081.80 and 12,774.60 is: 19,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,054.53 : 69,081.80 = 12,774.60 : x
  2. Step 2: Convert to fraction form
    46,054.53/69,081.80 = 12,774.60/x
  3. Step 3: Cross multiply
    46,054.53x = 69,081.80 × 12,774.60
  4. Step 4: Simplify right side
    46,054.53x = 882,492,298.41
  5. Step 5: Solve for x
    x = 882,492,298.41/46,054.53
  6. Step 6: Final answer
    x = 19,161.90

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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.