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Finding the Fourth Proportional to 70,003.34, 105,065.69 and 36,746.90

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Solution

The fourth proportional to 70,003.34, 105,065.69 and 36,746.90 is: 55,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.34 : 105,065.69 = 36,746.90 : x
  2. Step 2: Convert to fraction form
    70,003.34/105,065.69 = 36,746.90/x
  3. Step 3: Cross multiply
    70,003.34x = 105,065.69 × 36,746.90
  4. Step 4: Simplify right side
    70,003.34x = 3,860,838,403.86
  5. Step 5: Solve for x
    x = 3,860,838,403.86/70,003.34
  6. Step 6: Final answer
    x = 55,152.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.