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Finding the Fourth Proportional to 5,758.04, 7,938.06 and 4,870.28

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Solution

The fourth proportional to 5,758.04, 7,938.06 and 4,870.28 is: 6,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.04 : 7,938.06 = 4,870.28 : x
  2. Step 2: Convert to fraction form
    5,758.04/7,938.06 = 4,870.28/x
  3. Step 3: Cross multiply
    5,758.04x = 7,938.06 × 4,870.28
  4. Step 4: Simplify right side
    5,758.04x = 38,660,574.86
  5. Step 5: Solve for x
    x = 38,660,574.86/5,758.04
  6. Step 6: Final answer
    x = 6,714.19

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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.