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Finding the Fourth Proportional to 49,398.36, 68,026.12 and 42,935.16

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Solution

The fourth proportional to 49,398.36, 68,026.12 and 42,935.16 is: 59,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398.36 : 68,026.12 = 42,935.16 : x
  2. Step 2: Convert to fraction form
    49,398.36/68,026.12 = 42,935.16/x
  3. Step 3: Cross multiply
    49,398.36x = 68,026.12 × 42,935.16
  4. Step 4: Simplify right side
    49,398.36x = 2,920,712,346.38
  5. Step 5: Solve for x
    x = 2,920,712,346.38/49,398.36
  6. Step 6: Final answer
    x = 59,125.69

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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.