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Finding the Fourth Proportional to 70,055.59, 105,084.31 and 23,308.47

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Solution

The fourth proportional to 70,055.59, 105,084.31 and 23,308.47 is: 34,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,055.59 : 105,084.31 = 23,308.47 : x
  2. Step 2: Convert to fraction form
    70,055.59/105,084.31 = 23,308.47/x
  3. Step 3: Cross multiply
    70,055.59x = 105,084.31 × 23,308.47
  4. Step 4: Simplify right side
    70,055.59x = 2,449,354,487.11
  5. Step 5: Solve for x
    x = 2,449,354,487.11/70,055.59
  6. Step 6: Final answer
    x = 34,963.01

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1.5x scale

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.