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Finding the Fourth Proportional to 1,925.36, 2,889.60 and 886.52

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Solution

The fourth proportional to 1,925.36, 2,889.60 and 886.52 is: 1,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.36 : 2,889.60 = 886.52 : x
  2. Step 2: Convert to fraction form
    1,925.36/2,889.60 = 886.52/x
  3. Step 3: Cross multiply
    1,925.36x = 2,889.60 × 886.52
  4. Step 4: Simplify right side
    1,925.36x = 2,561,688.19
  5. Step 5: Solve for x
    x = 2,561,688.19/1,925.36
  6. Step 6: Final answer
    x = 1,330.50

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1.5x scale

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.