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Finding the Fourth Proportional to 46,660.74, 70,004.70 and 15,070.20

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Solution

The fourth proportional to 46,660.74, 70,004.70 and 15,070.20 is: 22,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,660.74 : 70,004.70 = 15,070.20 : x
  2. Step 2: Convert to fraction form
    46,660.74/70,004.70 = 15,070.20/x
  3. Step 3: Cross multiply
    46,660.74x = 70,004.70 × 15,070.20
  4. Step 4: Simplify right side
    46,660.74x = 1,054,984,829.94
  5. Step 5: Solve for x
    x = 1,054,984,829.94/46,660.74
  6. Step 6: Final answer
    x = 22,609.69

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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.