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Finding the Fourth Proportional to 60,637.80, 83,681.64 and 33,780.75

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Solution

The fourth proportional to 60,637.80, 83,681.64 and 33,780.75 is: 46,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,637.80 : 83,681.64 = 33,780.75 : x
  2. Step 2: Convert to fraction form
    60,637.80/83,681.64 = 33,780.75/x
  3. Step 3: Cross multiply
    60,637.80x = 83,681.64 × 33,780.75
  4. Step 4: Simplify right side
    60,637.80x = 2,826,828,560.43
  5. Step 5: Solve for x
    x = 2,826,828,560.43/60,637.80
  6. Step 6: Final answer
    x = 46,618.26

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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.