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Finding the Fourth Proportional to 1,886.76, 2,604.96 and 1,756.08

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Solution

The fourth proportional to 1,886.76, 2,604.96 and 1,756.08 is: 2,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.76 : 2,604.96 = 1,756.08 : x
  2. Step 2: Convert to fraction form
    1,886.76/2,604.96 = 1,756.08/x
  3. Step 3: Cross multiply
    1,886.76x = 2,604.96 × 1,756.08
  4. Step 4: Simplify right side
    1,886.76x = 4,574,518.16
  5. Step 5: Solve for x
    x = 4,574,518.16/1,886.76
  6. Step 6: Final answer
    x = 2,424.54

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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.