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Finding the Fourth Proportional to 70,060.86, 96,680.88 and 39,848.67

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Solution

The fourth proportional to 70,060.86, 96,680.88 and 39,848.67 is: 54,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,060.86 : 96,680.88 = 39,848.67 : x
  2. Step 2: Convert to fraction form
    70,060.86/96,680.88 = 39,848.67/x
  3. Step 3: Cross multiply
    70,060.86x = 96,680.88 × 39,848.67
  4. Step 4: Simplify right side
    70,060.86x = 3,852,604,482.43
  5. Step 5: Solve for x
    x = 3,852,604,482.43/70,060.86
  6. Step 6: Final answer
    x = 54,989.40

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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.