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Finding the Fourth Proportional to 1,756.55, 2,423.47 and 1,048.51

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Solution

The fourth proportional to 1,756.55, 2,423.47 and 1,048.51 is: 1,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.55 : 2,423.47 = 1,048.51 : x
  2. Step 2: Convert to fraction form
    1,756.55/2,423.47 = 1,048.51/x
  3. Step 3: Cross multiply
    1,756.55x = 2,423.47 × 1,048.51
  4. Step 4: Simplify right side
    1,756.55x = 2,541,024.68
  5. Step 5: Solve for x
    x = 2,541,024.68/1,756.55
  6. Step 6: Final answer
    x = 1,446.60

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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.