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Finding the Fourth Proportional to 5,590.98, 8,393.76 and 4,730.76

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Solution

The fourth proportional to 5,590.98, 8,393.76 and 4,730.76 is: 7,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.98 : 8,393.76 = 4,730.76 : x
  2. Step 2: Convert to fraction form
    5,590.98/8,393.76 = 4,730.76/x
  3. Step 3: Cross multiply
    5,590.98x = 8,393.76 × 4,730.76
  4. Step 4: Simplify right side
    5,590.98x = 39,708,864.06
  5. Step 5: Solve for x
    x = 39,708,864.06/5,590.98
  6. Step 6: Final answer
    x = 7,102.31

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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.