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Finding the Fourth Proportional to 1,652.52, 2,280.20 and 953.76

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Solution

The fourth proportional to 1,652.52, 2,280.20 and 953.76 is: 1,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.52 : 2,280.20 = 953.76 : x
  2. Step 2: Convert to fraction form
    1,652.52/2,280.20 = 953.76/x
  3. Step 3: Cross multiply
    1,652.52x = 2,280.20 × 953.76
  4. Step 4: Simplify right side
    1,652.52x = 2,174,763.55
  5. Step 5: Solve for x
    x = 2,174,763.55/1,652.52
  6. Step 6: Final answer
    x = 1,316.03

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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.