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Finding the Fourth Proportional to 46,849.59, 70,256.70 and 15,251.40

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Solution

The fourth proportional to 46,849.59, 70,256.70 and 15,251.40 is: 22,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,849.59 : 70,256.70 = 15,251.40 : x
  2. Step 2: Convert to fraction form
    46,849.59/70,256.70 = 15,251.40/x
  3. Step 3: Cross multiply
    46,849.59x = 70,256.70 × 15,251.40
  4. Step 4: Simplify right side
    46,849.59x = 1,071,513,034.38
  5. Step 5: Solve for x
    x = 1,071,513,034.38/46,849.59
  6. Step 6: Final answer
    x = 22,871.34

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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.