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Finding the Fourth Proportional to 19,233.90, 28,858.95 and 9,368.10

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Solution

The fourth proportional to 19,233.90, 28,858.95 and 9,368.10 is: 14,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.90 : 28,858.95 = 9,368.10 : x
  2. Step 2: Convert to fraction form
    19,233.90/28,858.95 = 9,368.10/x
  3. Step 3: Cross multiply
    19,233.90x = 28,858.95 × 9,368.10
  4. Step 4: Simplify right side
    19,233.90x = 270,353,529.50
  5. Step 5: Solve for x
    x = 270,353,529.50/19,233.90
  6. Step 6: Final answer
    x = 14,056.10

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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.