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Finding the Fourth Proportional to 18,043.95, 27,065.93 and 4,897.95

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Solution

The fourth proportional to 18,043.95, 27,065.93 and 4,897.95 is: 7,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.95 : 27,065.93 = 4,897.95 : x
  2. Step 2: Convert to fraction form
    18,043.95/27,065.93 = 4,897.95/x
  3. Step 3: Cross multiply
    18,043.95x = 27,065.93 × 4,897.95
  4. Step 4: Simplify right side
    18,043.95x = 132,567,547.35
  5. Step 5: Solve for x
    x = 132,567,547.35/18,043.95
  6. Step 6: Final answer
    x = 7,346.93

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Similar ratio
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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.