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Finding the Fourth Proportional to 1,562.01, 2,332.88 and 1,415.48

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Solution

The fourth proportional to 1,562.01, 2,332.88 and 1,415.48 is: 2,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.01 : 2,332.88 = 1,415.48 : x
  2. Step 2: Convert to fraction form
    1,562.01/2,332.88 = 1,415.48/x
  3. Step 3: Cross multiply
    1,562.01x = 2,332.88 × 1,415.48
  4. Step 4: Simplify right side
    1,562.01x = 3,302,126.24
  5. Step 5: Solve for x
    x = 3,302,126.24/1,562.01
  6. Step 6: Final answer
    x = 2,114.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.