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Finding the Fourth Proportional to 47,246.80, 70,844.60 and 19,547.60

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Solution

The fourth proportional to 47,246.80, 70,844.60 and 19,547.60 is: 29,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,246.80 : 70,844.60 = 19,547.60 : x
  2. Step 2: Convert to fraction form
    47,246.80/70,844.60 = 19,547.60/x
  3. Step 3: Cross multiply
    47,246.80x = 70,844.60 × 19,547.60
  4. Step 4: Simplify right side
    47,246.80x = 1,384,841,902.96
  5. Step 5: Solve for x
    x = 1,384,841,902.96/47,246.80
  6. Step 6: Final answer
    x = 29,310.81

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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.