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Finding the Fourth Proportional to 1,059.10, 1,587.10 and 597.01

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Solution

The fourth proportional to 1,059.10, 1,587.10 and 597.01 is: 894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.10 : 1,587.10 = 597.01 : x
  2. Step 2: Convert to fraction form
    1,059.10/1,587.10 = 597.01/x
  3. Step 3: Cross multiply
    1,059.10x = 1,587.10 × 597.01
  4. Step 4: Simplify right side
    1,059.10x = 947,514.57
  5. Step 5: Solve for x
    x = 947,514.57/1,059.10
  6. Step 6: Final answer
    x = 894.64

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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.