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Finding the Fourth Proportional to 7,393.61, 10,203.08 and 4,036.46

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Solution

The fourth proportional to 7,393.61, 10,203.08 and 4,036.46 is: 5,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.61 : 10,203.08 = 4,036.46 : x
  2. Step 2: Convert to fraction form
    7,393.61/10,203.08 = 4,036.46/x
  3. Step 3: Cross multiply
    7,393.61x = 10,203.08 × 4,036.46
  4. Step 4: Simplify right side
    7,393.61x = 41,184,253.10
  5. Step 5: Solve for x
    x = 41,184,253.10/7,393.61
  6. Step 6: Final answer
    x = 5,570.25

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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.