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Finding the Fourth Proportional to 75,287.43, 103,895.10 and 46,599.48

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Solution

The fourth proportional to 75,287.43, 103,895.10 and 46,599.48 is: 64,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287.43 : 103,895.10 = 46,599.48 : x
  2. Step 2: Convert to fraction form
    75,287.43/103,895.10 = 46,599.48/x
  3. Step 3: Cross multiply
    75,287.43x = 103,895.10 × 46,599.48
  4. Step 4: Simplify right side
    75,287.43x = 4,841,457,634.55
  5. Step 5: Solve for x
    x = 4,841,457,634.55/75,287.43
  6. Step 6: Final answer
    x = 64,306.32

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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.