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Finding the Fourth Proportional to 1,480.63, 2,043.93 and 956.92

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Solution

The fourth proportional to 1,480.63, 2,043.93 and 956.92 is: 1,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.63 : 2,043.93 = 956.92 : x
  2. Step 2: Convert to fraction form
    1,480.63/2,043.93 = 956.92/x
  3. Step 3: Cross multiply
    1,480.63x = 2,043.93 × 956.92
  4. Step 4: Simplify right side
    1,480.63x = 1,955,877.50
  5. Step 5: Solve for x
    x = 1,955,877.50/1,480.63
  6. Step 6: Final answer
    x = 1,320.98

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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.