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Finding the Fourth Proportional to 24,438.40, 36,657.60 and 20,598.40

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Solution

The fourth proportional to 24,438.40, 36,657.60 and 20,598.40 is: 30,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,438.40 : 36,657.60 = 20,598.40 : x
  2. Step 2: Convert to fraction form
    24,438.40/36,657.60 = 20,598.40/x
  3. Step 3: Cross multiply
    24,438.40x = 36,657.60 × 20,598.40
  4. Step 4: Simplify right side
    24,438.40x = 755,087,907.84
  5. Step 5: Solve for x
    x = 755,087,907.84/24,438.40
  6. Step 6: Final answer
    x = 30,897.60

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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.