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Finding the Fourth Proportional to 5,303.54, 7,311.92 and 4,565.42

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Solution

The fourth proportional to 5,303.54, 7,311.92 and 4,565.42 is: 6,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.54 : 7,311.92 = 4,565.42 : x
  2. Step 2: Convert to fraction form
    5,303.54/7,311.92 = 4,565.42/x
  3. Step 3: Cross multiply
    5,303.54x = 7,311.92 × 4,565.42
  4. Step 4: Simplify right side
    5,303.54x = 33,381,985.81
  5. Step 5: Solve for x
    x = 33,381,985.81/5,303.54
  6. Step 6: Final answer
    x = 6,294.28

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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.