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Finding the Fourth Proportional to 65,647.96, 98,486.58 and 18,897.19

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Solution

The fourth proportional to 65,647.96, 98,486.58 and 18,897.19 is: 28,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,647.96 : 98,486.58 = 18,897.19 : x
  2. Step 2: Convert to fraction form
    65,647.96/98,486.58 = 18,897.19/x
  3. Step 3: Cross multiply
    65,647.96x = 98,486.58 × 18,897.19
  4. Step 4: Simplify right side
    65,647.96x = 1,861,119,614.71
  5. Step 5: Solve for x
    x = 1,861,119,614.71/65,647.96
  6. Step 6: Final answer
    x = 28,350.00

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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.