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Finding the Fourth Proportional to 29,901.20, 44,851.80 and 19,403.60

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Solution

The fourth proportional to 29,901.20, 44,851.80 and 19,403.60 is: 29,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,901.20 : 44,851.80 = 19,403.60 : x
  2. Step 2: Convert to fraction form
    29,901.20/44,851.80 = 19,403.60/x
  3. Step 3: Cross multiply
    29,901.20x = 44,851.80 × 19,403.60
  4. Step 4: Simplify right side
    29,901.20x = 870,286,386.48
  5. Step 5: Solve for x
    x = 870,286,386.48/29,901.20
  6. Step 6: Final answer
    x = 29,105.40

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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.