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Finding the Fourth Proportional to 1,326.51, 1,830.72 and 737.24

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Solution

The fourth proportional to 1,326.51, 1,830.72 and 737.24 is: 1,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.51 : 1,830.72 = 737.24 : x
  2. Step 2: Convert to fraction form
    1,326.51/1,830.72 = 737.24/x
  3. Step 3: Cross multiply
    1,326.51x = 1,830.72 × 737.24
  4. Step 4: Simplify right side
    1,326.51x = 1,349,670.86
  5. Step 5: Solve for x
    x = 1,349,670.86/1,326.51
  6. Step 6: Final answer
    x = 1,017.46

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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.