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Finding the Fourth Proportional to 47,292.60, 70,938.90 and 46,601.40

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Solution

The fourth proportional to 47,292.60, 70,938.90 and 46,601.40 is: 69,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,292.60 : 70,938.90 = 46,601.40 : x
  2. Step 2: Convert to fraction form
    47,292.60/70,938.90 = 46,601.40/x
  3. Step 3: Cross multiply
    47,292.60x = 70,938.90 × 46,601.40
  4. Step 4: Simplify right side
    47,292.60x = 3,305,852,054.46
  5. Step 5: Solve for x
    x = 3,305,852,054.46/47,292.60
  6. Step 6: Final answer
    x = 69,902.10

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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.