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Finding the Fourth Proportional to 70,460.72, 105,689.87 and 23,713.59

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Solution

The fourth proportional to 70,460.72, 105,689.87 and 23,713.59 is: 35,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,460.72 : 105,689.87 = 23,713.59 : x
  2. Step 2: Convert to fraction form
    70,460.72/105,689.87 = 23,713.59/x
  3. Step 3: Cross multiply
    70,460.72x = 105,689.87 × 23,713.59
  4. Step 4: Simplify right side
    70,460.72x = 2,506,286,125.77
  5. Step 5: Solve for x
    x = 2,506,286,125.77/70,460.72
  6. Step 6: Final answer
    x = 35,569.98

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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.