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Finding the Fourth Proportional to 65,616.93, 98,543.95 and 60,342.21

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Solution

The fourth proportional to 65,616.93, 98,543.95 and 60,342.21 is: 90,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616.93 : 98,543.95 = 60,342.21 : x
  2. Step 2: Convert to fraction form
    65,616.93/98,543.95 = 60,342.21/x
  3. Step 3: Cross multiply
    65,616.93x = 98,543.95 × 60,342.21
  4. Step 4: Simplify right side
    65,616.93x = 5,946,359,574.27
  5. Step 5: Solve for x
    x = 5,946,359,574.27/65,616.93
  6. Step 6: Final answer
    x = 90,622.34

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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.