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Finding the Fourth Proportional to 70,454.75, 97,226.73 and 38,623.64

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Solution

The fourth proportional to 70,454.75, 97,226.73 and 38,623.64 is: 53,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,454.75 : 97,226.73 = 38,623.64 : x
  2. Step 2: Convert to fraction form
    70,454.75/97,226.73 = 38,623.64/x
  3. Step 3: Cross multiply
    70,454.75x = 97,226.73 × 38,623.64
  4. Step 4: Simplify right side
    70,454.75x = 3,755,249,731.76
  5. Step 5: Solve for x
    x = 3,755,249,731.76/70,454.75
  6. Step 6: Final answer
    x = 53,300.17

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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.