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Finding the Fourth Proportional to 53,988.62, 74,465.71 and 46,805.71

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Solution

The fourth proportional to 53,988.62, 74,465.71 and 46,805.71 is: 64,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.62 : 74,465.71 = 46,805.71 : x
  2. Step 2: Convert to fraction form
    53,988.62/74,465.71 = 46,805.71/x
  3. Step 3: Cross multiply
    53,988.62x = 74,465.71 × 46,805.71
  4. Step 4: Simplify right side
    53,988.62x = 3,485,420,427.20
  5. Step 5: Solve for x
    x = 3,485,420,427.20/53,988.62
  6. Step 6: Final answer
    x = 64,558.43

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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.