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Finding the Fourth Proportional to 73,534.96, 101,445.78 and 49,011.40

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Solution

The fourth proportional to 73,534.96, 101,445.78 and 49,011.40 is: 67,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,534.96 : 101,445.78 = 49,011.40 : x
  2. Step 2: Convert to fraction form
    73,534.96/101,445.78 = 49,011.40/x
  3. Step 3: Cross multiply
    73,534.96x = 101,445.78 × 49,011.40
  4. Step 4: Simplify right side
    73,534.96x = 4,971,999,701.89
  5. Step 5: Solve for x
    x = 4,971,999,701.89/73,534.96
  6. Step 6: Final answer
    x = 67,614.09

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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.