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Finding the Fourth Proportional to 70,291.81, 97,042.80 and 46,487.53

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Solution

The fourth proportional to 70,291.81, 97,042.80 and 46,487.53 is: 64,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,291.81 : 97,042.80 = 46,487.53 : x
  2. Step 2: Convert to fraction form
    70,291.81/97,042.80 = 46,487.53/x
  3. Step 3: Cross multiply
    70,291.81x = 97,042.80 × 46,487.53
  4. Step 4: Simplify right side
    70,291.81x = 4,511,280,076.28
  5. Step 5: Solve for x
    x = 4,511,280,076.28/70,291.81
  6. Step 6: Final answer
    x = 64,179.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.