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Finding the Fourth Proportional to 18,332.79, 27,476.10 and 9,995.46

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Solution

The fourth proportional to 18,332.79, 27,476.10 and 9,995.46 is: 14,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.79 : 27,476.10 = 9,995.46 : x
  2. Step 2: Convert to fraction form
    18,332.79/27,476.10 = 9,995.46/x
  3. Step 3: Cross multiply
    18,332.79x = 27,476.10 × 9,995.46
  4. Step 4: Simplify right side
    18,332.79x = 274,636,258.51
  5. Step 5: Solve for x
    x = 274,636,258.51/18,332.79
  6. Step 6: Final answer
    x = 14,980.60

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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.