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Finding the Fourth Proportional to 9,412.98, 14,117.01 and 4,472.79

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Solution

The fourth proportional to 9,412.98, 14,117.01 and 4,472.79 is: 6,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.98 : 14,117.01 = 4,472.79 : x
  2. Step 2: Convert to fraction form
    9,412.98/14,117.01 = 4,472.79/x
  3. Step 3: Cross multiply
    9,412.98x = 14,117.01 × 4,472.79
  4. Step 4: Simplify right side
    9,412.98x = 63,142,421.16
  5. Step 5: Solve for x
    x = 63,142,421.16/9,412.98
  6. Step 6: Final answer
    x = 6,708.02

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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.