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Finding the Fourth Proportional to 7,203.02, 10,804.53 and 4,748.79

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Solution

The fourth proportional to 7,203.02, 10,804.53 and 4,748.79 is: 7,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.02 : 10,804.53 = 4,748.79 : x
  2. Step 2: Convert to fraction form
    7,203.02/10,804.53 = 4,748.79/x
  3. Step 3: Cross multiply
    7,203.02x = 10,804.53 × 4,748.79
  4. Step 4: Simplify right side
    7,203.02x = 51,308,444.02
  5. Step 5: Solve for x
    x = 51,308,444.02/7,203.02
  6. Step 6: Final answer
    x = 7,123.19

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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.