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Finding the Fourth Proportional to 5,045.64, 7,570.64 and 1,756.94

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Solution

The fourth proportional to 5,045.64, 7,570.64 and 1,756.94 is: 2,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.64 : 7,570.64 = 1,756.94 : x
  2. Step 2: Convert to fraction form
    5,045.64/7,570.64 = 1,756.94/x
  3. Step 3: Cross multiply
    5,045.64x = 7,570.64 × 1,756.94
  4. Step 4: Simplify right side
    5,045.64x = 13,301,160.24
  5. Step 5: Solve for x
    x = 13,301,160.24/5,045.64
  6. Step 6: Final answer
    x = 2,636.17

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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.