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Finding the Fourth Proportional to 1,756.76, 2,423.94 and 1,058.36

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Solution

The fourth proportional to 1,756.76, 2,423.94 and 1,058.36 is: 1,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.76 : 2,423.94 = 1,058.36 : x
  2. Step 2: Convert to fraction form
    1,756.76/2,423.94 = 1,058.36/x
  3. Step 3: Cross multiply
    1,756.76x = 2,423.94 × 1,058.36
  4. Step 4: Simplify right side
    1,756.76x = 2,565,401.14
  5. Step 5: Solve for x
    x = 2,565,401.14/1,756.76
  6. Step 6: Final answer
    x = 1,460.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.