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Finding the Fourth Proportional to 15,032.94, 20,744.01 and 8,745.54

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Solution

The fourth proportional to 15,032.94, 20,744.01 and 8,745.54 is: 12,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.94 : 20,744.01 = 8,745.54 : x
  2. Step 2: Convert to fraction form
    15,032.94/20,744.01 = 8,745.54/x
  3. Step 3: Cross multiply
    15,032.94x = 20,744.01 × 8,745.54
  4. Step 4: Simplify right side
    15,032.94x = 181,417,569.22
  5. Step 5: Solve for x
    x = 181,417,569.22/15,032.94
  6. Step 6: Final answer
    x = 12,068.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.