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Finding the Fourth Proportional to 25,718.92, 35,491.14 and 14,541.16

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Solution

The fourth proportional to 25,718.92, 35,491.14 and 14,541.16 is: 20,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.92 : 35,491.14 = 14,541.16 : x
  2. Step 2: Convert to fraction form
    25,718.92/35,491.14 = 14,541.16/x
  3. Step 3: Cross multiply
    25,718.92x = 35,491.14 × 14,541.16
  4. Step 4: Simplify right side
    25,718.92x = 516,082,345.32
  5. Step 5: Solve for x
    x = 516,082,345.32/25,718.92
  6. Step 6: Final answer
    x = 20,066.25

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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.