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Finding the Fourth Proportional to 46,703.88, 70,056.42 and 15,539.13

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Solution

The fourth proportional to 46,703.88, 70,056.42 and 15,539.13 is: 23,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,703.88 : 70,056.42 = 15,539.13 : x
  2. Step 2: Convert to fraction form
    46,703.88/70,056.42 = 15,539.13/x
  3. Step 3: Cross multiply
    46,703.88x = 70,056.42 × 15,539.13
  4. Step 4: Simplify right side
    46,703.88x = 1,088,615,817.71
  5. Step 5: Solve for x
    x = 1,088,615,817.71/46,703.88
  6. Step 6: Final answer
    x = 23,308.89

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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.