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Finding the Fourth Proportional to 65,637.69, 90,579.78 and 36,957.35

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Solution

The fourth proportional to 65,637.69, 90,579.78 and 36,957.35 is: 51,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,637.69 : 90,579.78 = 36,957.35 : x
  2. Step 2: Convert to fraction form
    65,637.69/90,579.78 = 36,957.35/x
  3. Step 3: Cross multiply
    65,637.69x = 90,579.78 × 36,957.35
  4. Step 4: Simplify right side
    65,637.69x = 3,347,588,179.48
  5. Step 5: Solve for x
    x = 3,347,588,179.48/65,637.69
  6. Step 6: Final answer
    x = 51,001.01

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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.