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Finding the Fourth Proportional to 46,935.70, 70,402.90 and 11,397.30

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Solution

The fourth proportional to 46,935.70, 70,402.90 and 11,397.30 is: 17,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,935.70 : 70,402.90 = 11,397.30 : x
  2. Step 2: Convert to fraction form
    46,935.70/70,402.90 = 11,397.30/x
  3. Step 3: Cross multiply
    46,935.70x = 70,402.90 × 11,397.30
  4. Step 4: Simplify right side
    46,935.70x = 802,402,972.17
  5. Step 5: Solve for x
    x = 802,402,972.17/46,935.70
  6. Step 6: Final answer
    x = 17,095.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.