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Finding the Fourth Proportional to 65,888.90, 98,832.47 and 15,969.43

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Solution

The fourth proportional to 65,888.90, 98,832.47 and 15,969.43 is: 23,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888.90 : 98,832.47 = 15,969.43 : x
  2. Step 2: Convert to fraction form
    65,888.90/98,832.47 = 15,969.43/x
  3. Step 3: Cross multiply
    65,888.90x = 98,832.47 × 15,969.43
  4. Step 4: Simplify right side
    65,888.90x = 1,578,298,004.23
  5. Step 5: Solve for x
    x = 1,578,298,004.23/65,888.90
  6. Step 6: Final answer
    x = 23,953.93

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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.