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Finding the Fourth Proportional to 15,611.94, 23,362.02 and 14,569.20

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Solution

The fourth proportional to 15,611.94, 23,362.02 and 14,569.20 is: 21,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.94 : 23,362.02 = 14,569.20 : x
  2. Step 2: Convert to fraction form
    15,611.94/23,362.02 = 14,569.20/x
  3. Step 3: Cross multiply
    15,611.94x = 23,362.02 × 14,569.20
  4. Step 4: Simplify right side
    15,611.94x = 340,365,941.78
  5. Step 5: Solve for x
    x = 340,365,941.78/15,611.94
  6. Step 6: Final answer
    x = 21,801.64

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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.