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Finding the Fourth Proportional to 18,124.56, 27,188.46 and 7,030.98

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Solution

The fourth proportional to 18,124.56, 27,188.46 and 7,030.98 is: 10,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.56 : 27,188.46 = 7,030.98 : x
  2. Step 2: Convert to fraction form
    18,124.56/27,188.46 = 7,030.98/x
  3. Step 3: Cross multiply
    18,124.56x = 27,188.46 × 7,030.98
  4. Step 4: Simplify right side
    18,124.56x = 191,161,518.49
  5. Step 5: Solve for x
    x = 191,161,518.49/18,124.56
  6. Step 6: Final answer
    x = 10,547.10

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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.