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Finding the Fourth Proportional to 1,483.34, 2,047.20 and 894.20

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Solution

The fourth proportional to 1,483.34, 2,047.20 and 894.20 is: 1,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.34 : 2,047.20 = 894.20 : x
  2. Step 2: Convert to fraction form
    1,483.34/2,047.20 = 894.20/x
  3. Step 3: Cross multiply
    1,483.34x = 2,047.20 × 894.20
  4. Step 4: Simplify right side
    1,483.34x = 1,830,606.24
  5. Step 5: Solve for x
    x = 1,830,606.24/1,483.34
  6. Step 6: Final answer
    x = 1,234.11

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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.