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Finding the Fourth Proportional to 32,668.95, 49,019.64 and 12,947.07

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Solution

The fourth proportional to 32,668.95, 49,019.64 and 12,947.07 is: 19,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668.95 : 49,019.64 = 12,947.07 : x
  2. Step 2: Convert to fraction form
    32,668.95/49,019.64 = 12,947.07/x
  3. Step 3: Cross multiply
    32,668.95x = 49,019.64 × 12,947.07
  4. Step 4: Simplify right side
    32,668.95x = 634,660,710.45
  5. Step 5: Solve for x
    x = 634,660,710.45/32,668.95
  6. Step 6: Final answer
    x = 19,427.03

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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.