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Finding the Fourth Proportional to 1,751.47, 2,620.02 and 1,597.53

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Solution

The fourth proportional to 1,751.47, 2,620.02 and 1,597.53 is: 2,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.47 : 2,620.02 = 1,597.53 : x
  2. Step 2: Convert to fraction form
    1,751.47/2,620.02 = 1,597.53/x
  3. Step 3: Cross multiply
    1,751.47x = 2,620.02 × 1,597.53
  4. Step 4: Simplify right side
    1,751.47x = 4,185,547.45
  5. Step 5: Solve for x
    x = 4,185,547.45/1,751.47
  6. Step 6: Final answer
    x = 2,389.74

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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.