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Finding the Fourth Proportional to 70,049.61, 105,070.16 and 22,663.70

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Solution

The fourth proportional to 70,049.61, 105,070.16 and 22,663.70 is: 33,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,049.61 : 105,070.16 = 22,663.70 : x
  2. Step 2: Convert to fraction form
    70,049.61/105,070.16 = 22,663.70/x
  3. Step 3: Cross multiply
    70,049.61x = 105,070.16 × 22,663.70
  4. Step 4: Simplify right side
    70,049.61x = 2,381,278,510.51
  5. Step 5: Solve for x
    x = 2,381,278,510.51/70,049.61
  6. Step 6: Final answer
    x = 33,994.17

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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.