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Finding the Fourth Proportional to 4,836, 6,674.40 and 2,948.16

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Solution

The fourth proportional to 4,836, 6,674.40 and 2,948.16 is: 4,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836 : 6,674.40 = 2,948.16 : x
  2. Step 2: Convert to fraction form
    4,836/6,674.40 = 2,948.16/x
  3. Step 3: Cross multiply
    4,836x = 6,674.40 × 2,948.16
  4. Step 4: Simplify right side
    4,836x = 19,677,199.10
  5. Step 5: Solve for x
    x = 19,677,199.10/4,836
  6. Step 6: Final answer
    x = 4,068.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.