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Finding the Fourth Proportional to 19,233.50, 28,862.40 and 14,859.50

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Solution

The fourth proportional to 19,233.50, 28,862.40 and 14,859.50 is: 22,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.50 : 28,862.40 = 14,859.50 : x
  2. Step 2: Convert to fraction form
    19,233.50/28,862.40 = 14,859.50/x
  3. Step 3: Cross multiply
    19,233.50x = 28,862.40 × 14,859.50
  4. Step 4: Simplify right side
    19,233.50x = 428,880,832.80
  5. Step 5: Solve for x
    x = 428,880,832.80/19,233.50
  6. Step 6: Final answer
    x = 22,298.64

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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.