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Finding the Fourth Proportional to 12,903.95, 19,356.11 and 5,883.68

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Solution

The fourth proportional to 12,903.95, 19,356.11 and 5,883.68 is: 8,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.95 : 19,356.11 = 5,883.68 : x
  2. Step 2: Convert to fraction form
    12,903.95/19,356.11 = 5,883.68/x
  3. Step 3: Cross multiply
    12,903.95x = 19,356.11 × 5,883.68
  4. Step 4: Simplify right side
    12,903.95x = 113,885,075.21
  5. Step 5: Solve for x
    x = 113,885,075.21/12,903.95
  6. Step 6: Final answer
    x = 8,825.60

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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.