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Finding the Fourth Proportional to 1,925.55, 2,888.32 and 464.70

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Solution

The fourth proportional to 1,925.55, 2,888.32 and 464.70 is: 697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.55 : 2,888.32 = 464.70 : x
  2. Step 2: Convert to fraction form
    1,925.55/2,888.32 = 464.70/x
  3. Step 3: Cross multiply
    1,925.55x = 2,888.32 × 464.70
  4. Step 4: Simplify right side
    1,925.55x = 1,342,201.14
  5. Step 5: Solve for x
    x = 1,342,201.14/1,925.55
  6. Step 6: Final answer
    x = 697.05

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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.