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Finding the Fourth Proportional to 4,894.16, 7,341.51 and 1,972.13

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Solution

The fourth proportional to 4,894.16, 7,341.51 and 1,972.13 is: 2,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.16 : 7,341.51 = 1,972.13 : x
  2. Step 2: Convert to fraction form
    4,894.16/7,341.51 = 1,972.13/x
  3. Step 3: Cross multiply
    4,894.16x = 7,341.51 × 1,972.13
  4. Step 4: Simplify right side
    4,894.16x = 14,478,412.12
  5. Step 5: Solve for x
    x = 14,478,412.12/4,894.16
  6. Step 6: Final answer
    x = 2,958.30

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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.