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Finding the Fourth Proportional to 3,094.86, 4,641.79 and 903.08

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Solution

The fourth proportional to 3,094.86, 4,641.79 and 903.08 is: 1,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.86 : 4,641.79 = 903.08 : x
  2. Step 2: Convert to fraction form
    3,094.86/4,641.79 = 903.08/x
  3. Step 3: Cross multiply
    3,094.86x = 4,641.79 × 903.08
  4. Step 4: Simplify right side
    3,094.86x = 4,191,886.76
  5. Step 5: Solve for x
    x = 4,191,886.76/3,094.86
  6. Step 6: Final answer
    x = 1,354.47

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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.