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Finding the Fourth Proportional to 14,167.63, 19,549.11 and 7,880.01

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Solution

The fourth proportional to 14,167.63, 19,549.11 and 7,880.01 is: 10,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.63 : 19,549.11 = 7,880.01 : x
  2. Step 2: Convert to fraction form
    14,167.63/19,549.11 = 7,880.01/x
  3. Step 3: Cross multiply
    14,167.63x = 19,549.11 × 7,880.01
  4. Step 4: Simplify right side
    14,167.63x = 154,047,182.29
  5. Step 5: Solve for x
    x = 154,047,182.29/14,167.63
  6. Step 6: Final answer
    x = 10,873.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.