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Finding the Fourth Proportional to 60,637.80, 83,686.32 and 33,784.68

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Solution

The fourth proportional to 60,637.80, 83,686.32 and 33,784.68 is: 46,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,637.80 : 83,686.32 = 33,784.68 : x
  2. Step 2: Convert to fraction form
    60,637.80/83,686.32 = 33,784.68/x
  3. Step 3: Cross multiply
    60,637.80x = 83,686.32 × 33,784.68
  4. Step 4: Simplify right side
    60,637.80x = 2,827,315,541.58
  5. Step 5: Solve for x
    x = 2,827,315,541.58/60,637.80
  6. Step 6: Final answer
    x = 46,626.29

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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.