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Finding the Fourth Proportional to 70,334.60, 97,061.10 and 38,503.40

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Solution

The fourth proportional to 70,334.60, 97,061.10 and 38,503.40 is: 53,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,334.60 : 97,061.10 = 38,503.40 : x
  2. Step 2: Convert to fraction form
    70,334.60/97,061.10 = 38,503.40/x
  3. Step 3: Cross multiply
    70,334.60x = 97,061.10 × 38,503.40
  4. Step 4: Simplify right side
    70,334.60x = 3,737,182,357.74
  5. Step 5: Solve for x
    x = 3,737,182,357.74/70,334.60
  6. Step 6: Final answer
    x = 53,134.34

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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.