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Finding the Fourth Proportional to 1,145.04, 1,715.51 and 597.84

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Solution

The fourth proportional to 1,145.04, 1,715.51 and 597.84 is: 895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145.04 : 1,715.51 = 597.84 : x
  2. Step 2: Convert to fraction form
    1,145.04/1,715.51 = 597.84/x
  3. Step 3: Cross multiply
    1,145.04x = 1,715.51 × 597.84
  4. Step 4: Simplify right side
    1,145.04x = 1,025,597.51
  5. Step 5: Solve for x
    x = 1,025,597.51/1,145.04
  6. Step 6: Final answer
    x = 895.69

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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.