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Finding the Fourth Proportional to 9,615.51, 14,425.02 and 4,421.25

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Solution

The fourth proportional to 9,615.51, 14,425.02 and 4,421.25 is: 6,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.51 : 14,425.02 = 4,421.25 : x
  2. Step 2: Convert to fraction form
    9,615.51/14,425.02 = 4,421.25/x
  3. Step 3: Cross multiply
    9,615.51x = 14,425.02 × 4,421.25
  4. Step 4: Simplify right side
    9,615.51x = 63,776,619.68
  5. Step 5: Solve for x
    x = 63,776,619.68/9,615.51
  6. Step 6: Final answer
    x = 6,632.68

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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.