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Finding the Fourth Proportional to 70,670.16, 97,523.70 and 38,838.38

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Solution

The fourth proportional to 70,670.16, 97,523.70 and 38,838.38 is: 53,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,670.16 : 97,523.70 = 38,838.38 : x
  2. Step 2: Convert to fraction form
    70,670.16/97,523.70 = 38,838.38/x
  3. Step 3: Cross multiply
    70,670.16x = 97,523.70 × 38,838.38
  4. Step 4: Simplify right side
    70,670.16x = 3,787,662,519.61
  5. Step 5: Solve for x
    x = 3,787,662,519.61/70,670.16
  6. Step 6: Final answer
    x = 53,596.35

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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.