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Finding the Fourth Proportional to 1,895.55, 2,616.02 and 1,056.22

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Solution

The fourth proportional to 1,895.55, 2,616.02 and 1,056.22 is: 1,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.55 : 2,616.02 = 1,056.22 : x
  2. Step 2: Convert to fraction form
    1,895.55/2,616.02 = 1,056.22/x
  3. Step 3: Cross multiply
    1,895.55x = 2,616.02 × 1,056.22
  4. Step 4: Simplify right side
    1,895.55x = 2,763,092.64
  5. Step 5: Solve for x
    x = 2,763,092.64/1,895.55
  6. Step 6: Final answer
    x = 1,457.67

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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.