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Finding the Fourth Proportional to 9,975.71, 14,954.45 and 4,430.16

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Solution

The fourth proportional to 9,975.71, 14,954.45 and 4,430.16 is: 6,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.71 : 14,954.45 = 4,430.16 : x
  2. Step 2: Convert to fraction form
    9,975.71/14,954.45 = 4,430.16/x
  3. Step 3: Cross multiply
    9,975.71x = 14,954.45 × 4,430.16
  4. Step 4: Simplify right side
    9,975.71x = 66,250,584.06
  5. Step 5: Solve for x
    x = 66,250,584.06/9,975.71
  6. Step 6: Final answer
    x = 6,641.19

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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.