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Finding the Fourth Proportional to 18,417.51, 25,416.18 and 10,034.01

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Solution

The fourth proportional to 18,417.51, 25,416.18 and 10,034.01 is: 13,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.51 : 25,416.18 = 10,034.01 : x
  2. Step 2: Convert to fraction form
    18,417.51/25,416.18 = 10,034.01/x
  3. Step 3: Cross multiply
    18,417.51x = 25,416.18 × 10,034.01
  4. Step 4: Simplify right side
    18,417.51x = 255,026,204.28
  5. Step 5: Solve for x
    x = 255,026,204.28/18,417.51
  6. Step 6: Final answer
    x = 13,846.94

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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.