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Finding the Fourth Proportional to 65,994.18, 91,048.09 and 43,345.46

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Solution

The fourth proportional to 65,994.18, 91,048.09 and 43,345.46 is: 59,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,994.18 : 91,048.09 = 43,345.46 : x
  2. Step 2: Convert to fraction form
    65,994.18/91,048.09 = 43,345.46/x
  3. Step 3: Cross multiply
    65,994.18x = 91,048.09 × 43,345.46
  4. Step 4: Simplify right side
    65,994.18x = 3,946,521,343.17
  5. Step 5: Solve for x
    x = 3,946,521,343.17/65,994.18
  6. Step 6: Final answer
    x = 59,801.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.