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Finding the Fourth Proportional to 53,392.83, 73,681.70 and 29,520.51

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Solution

The fourth proportional to 53,392.83, 73,681.70 and 29,520.51 is: 40,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,392.83 : 73,681.70 = 29,520.51 : x
  2. Step 2: Convert to fraction form
    53,392.83/73,681.70 = 29,520.51/x
  3. Step 3: Cross multiply
    53,392.83x = 73,681.70 × 29,520.51
  4. Step 4: Simplify right side
    53,392.83x = 2,175,121,214.06
  5. Step 5: Solve for x
    x = 2,175,121,214.06/53,392.83
  6. Step 6: Final answer
    x = 40,738.08

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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.