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Finding the Fourth Proportional to 70,592.54, 97,351.70 and 56,299.92

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Solution

The fourth proportional to 70,592.54, 97,351.70 and 56,299.92 is: 77,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,592.54 : 97,351.70 = 56,299.92 : x
  2. Step 2: Convert to fraction form
    70,592.54/97,351.70 = 56,299.92/x
  3. Step 3: Cross multiply
    70,592.54x = 97,351.70 × 56,299.92
  4. Step 4: Simplify right side
    70,592.54x = 5,480,892,921.86
  5. Step 5: Solve for x
    x = 5,480,892,921.86/70,592.54
  6. Step 6: Final answer
    x = 77,641.25

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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.