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Finding the Fourth Proportional to 24,894.80, 37,385.40 and 13,230.80

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Solution

The fourth proportional to 24,894.80, 37,385.40 and 13,230.80 is: 19,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,894.80 : 37,385.40 = 13,230.80 : x
  2. Step 2: Convert to fraction form
    24,894.80/37,385.40 = 13,230.80/x
  3. Step 3: Cross multiply
    24,894.80x = 37,385.40 × 13,230.80
  4. Step 4: Simplify right side
    24,894.80x = 494,638,750.32
  5. Step 5: Solve for x
    x = 494,638,750.32/24,894.80
  6. Step 6: Final answer
    x = 19,869.16

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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.