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Finding the Fourth Proportional to 65,783.74, 98,681.84 and 18,398.84

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Solution

The fourth proportional to 65,783.74, 98,681.84 and 18,398.84 is: 27,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,783.74 : 98,681.84 = 18,398.84 : x
  2. Step 2: Convert to fraction form
    65,783.74/98,681.84 = 18,398.84/x
  3. Step 3: Cross multiply
    65,783.74x = 98,681.84 × 18,398.84
  4. Step 4: Simplify right side
    65,783.74x = 1,815,631,385.07
  5. Step 5: Solve for x
    x = 1,815,631,385.07/65,783.74
  6. Step 6: Final answer
    x = 27,600.00

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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.