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Finding the Fourth Proportional to 7.58, 10.46 and 4.35

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Solution

The fourth proportional to 7.58, 10.46 and 4.35 is: 6.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.58 : 10.46 = 4.35 : x
  2. Step 2: Convert to fraction form
    7.58/10.46 = 4.35/x
  3. Step 3: Cross multiply
    7.58x = 10.46 × 4.35
  4. Step 4: Simplify right side
    7.58x = 45.45
  5. Step 5: Solve for x
    x = 45.45/7.58
  6. Step 6: Final answer
    x = 6.00

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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.