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Finding the Fourth Proportional to 1,373.26, 1,895.10 and 752.26

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Solution

The fourth proportional to 1,373.26, 1,895.10 and 752.26 is: 1,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.26 : 1,895.10 = 752.26 : x
  2. Step 2: Convert to fraction form
    1,373.26/1,895.10 = 752.26/x
  3. Step 3: Cross multiply
    1,373.26x = 1,895.10 × 752.26
  4. Step 4: Simplify right side
    1,373.26x = 1,425,607.93
  5. Step 5: Solve for x
    x = 1,425,607.93/1,373.26
  6. Step 6: Final answer
    x = 1,038.12

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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.