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Finding the Fourth Proportional to 9,430.51, 14,148.84 and 4,748.11

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Solution

The fourth proportional to 9,430.51, 14,148.84 and 4,748.11 is: 7,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.51 : 14,148.84 = 4,748.11 : x
  2. Step 2: Convert to fraction form
    9,430.51/14,148.84 = 4,748.11/x
  3. Step 3: Cross multiply
    9,430.51x = 14,148.84 × 4,748.11
  4. Step 4: Simplify right side
    9,430.51x = 67,180,176.17
  5. Step 5: Solve for x
    x = 67,180,176.17/9,430.51
  6. Step 6: Final answer
    x = 7,123.71

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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.