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Finding the Fourth Proportional to 1,510.02, 2,266.11 and 1,021.86

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Solution

The fourth proportional to 1,510.02, 2,266.11 and 1,021.86 is: 1,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.02 : 2,266.11 = 1,021.86 : x
  2. Step 2: Convert to fraction form
    1,510.02/2,266.11 = 1,021.86/x
  3. Step 3: Cross multiply
    1,510.02x = 2,266.11 × 1,021.86
  4. Step 4: Simplify right side
    1,510.02x = 2,315,647.16
  5. Step 5: Solve for x
    x = 2,315,647.16/1,510.02
  6. Step 6: Final answer
    x = 1,533.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.