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Finding the Fourth Proportional to 52,653.68, 79,335.65 and 43,498.72

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Solution

The fourth proportional to 52,653.68, 79,335.65 and 43,498.72 is: 65,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.68 : 79,335.65 = 43,498.72 : x
  2. Step 2: Convert to fraction form
    52,653.68/79,335.65 = 43,498.72/x
  3. Step 3: Cross multiply
    52,653.68x = 79,335.65 × 43,498.72
  4. Step 4: Simplify right side
    52,653.68x = 3,450,999,433.28
  5. Step 5: Solve for x
    x = 3,450,999,433.28/52,653.68
  6. Step 6: Final answer
    x = 65,541.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.