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Finding the Fourth Proportional to 1,295.55, 1,941.96 and 564.93

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Solution

The fourth proportional to 1,295.55, 1,941.96 and 564.93 is: 846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.55 : 1,941.96 = 564.93 : x
  2. Step 2: Convert to fraction form
    1,295.55/1,941.96 = 564.93/x
  3. Step 3: Cross multiply
    1,295.55x = 1,941.96 × 564.93
  4. Step 4: Simplify right side
    1,295.55x = 1,097,071.46
  5. Step 5: Solve for x
    x = 1,097,071.46/1,295.55
  6. Step 6: Final answer
    x = 846.80

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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.