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Finding the Fourth Proportional to 29,897.60, 44,846.40 and 18,838.40

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Solution

The fourth proportional to 29,897.60, 44,846.40 and 18,838.40 is: 28,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,897.60 : 44,846.40 = 18,838.40 : x
  2. Step 2: Convert to fraction form
    29,897.60/44,846.40 = 18,838.40/x
  3. Step 3: Cross multiply
    29,897.60x = 44,846.40 × 18,838.40
  4. Step 4: Simplify right side
    29,897.60x = 844,834,421.76
  5. Step 5: Solve for x
    x = 844,834,421.76/29,897.60
  6. Step 6: Final answer
    x = 28,257.60

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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.