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Finding the Fourth Proportional to 19,002.16, 28,483.80 and 9,624.80

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Solution

The fourth proportional to 19,002.16, 28,483.80 and 9,624.80 is: 14,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.16 : 28,483.80 = 9,624.80 : x
  2. Step 2: Convert to fraction form
    19,002.16/28,483.80 = 9,624.80/x
  3. Step 3: Cross multiply
    19,002.16x = 28,483.80 × 9,624.80
  4. Step 4: Simplify right side
    19,002.16x = 274,150,878.24
  5. Step 5: Solve for x
    x = 274,150,878.24/19,002.16
  6. Step 6: Final answer
    x = 14,427.35

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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.