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Finding the Fourth Proportional to 19,271.99, 28,907.54 and 8,883.74

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Solution

The fourth proportional to 19,271.99, 28,907.54 and 8,883.74 is: 13,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.99 : 28,907.54 = 8,883.74 : x
  2. Step 2: Convert to fraction form
    19,271.99/28,907.54 = 8,883.74/x
  3. Step 3: Cross multiply
    19,271.99x = 28,907.54 × 8,883.74
  4. Step 4: Simplify right side
    19,271.99x = 256,807,024.98
  5. Step 5: Solve for x
    x = 256,807,024.98/19,271.99
  6. Step 6: Final answer
    x = 13,325.40

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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.