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Finding the Fourth Proportional to 5,652.87, 7,801.88 and 5,403.72

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Solution

The fourth proportional to 5,652.87, 7,801.88 and 5,403.72 is: 7,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.87 : 7,801.88 = 5,403.72 : x
  2. Step 2: Convert to fraction form
    5,652.87/7,801.88 = 5,403.72/x
  3. Step 3: Cross multiply
    5,652.87x = 7,801.88 × 5,403.72
  4. Step 4: Simplify right side
    5,652.87x = 42,159,147.98
  5. Step 5: Solve for x
    x = 42,159,147.98/5,652.87
  6. Step 6: Final answer
    x = 7,458.01

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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.