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Finding the Fourth Proportional to 1,848.55, 2,551.12 and 1,051.71

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Solution

The fourth proportional to 1,848.55, 2,551.12 and 1,051.71 is: 1,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.55 : 2,551.12 = 1,051.71 : x
  2. Step 2: Convert to fraction form
    1,848.55/2,551.12 = 1,051.71/x
  3. Step 3: Cross multiply
    1,848.55x = 2,551.12 × 1,051.71
  4. Step 4: Simplify right side
    1,848.55x = 2,683,038.42
  5. Step 5: Solve for x
    x = 2,683,038.42/1,848.55
  6. Step 6: Final answer
    x = 1,451.43

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Double scale
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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.