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Finding the Fourth Proportional to 9,909.51, 14,866.38 and 3,335.76

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Solution

The fourth proportional to 9,909.51, 14,866.38 and 3,335.76 is: 5,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.51 : 14,866.38 = 3,335.76 : x
  2. Step 2: Convert to fraction form
    9,909.51/14,866.38 = 3,335.76/x
  3. Step 3: Cross multiply
    9,909.51x = 14,866.38 × 3,335.76
  4. Step 4: Simplify right side
    9,909.51x = 49,590,675.75
  5. Step 5: Solve for x
    x = 49,590,675.75/9,909.51
  6. Step 6: Final answer
    x = 5,004.35

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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.