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Finding the Fourth Proportional to 70,411.11, 105,616.58 and 23,696.79

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Solution

The fourth proportional to 70,411.11, 105,616.58 and 23,696.79 is: 35,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,411.11 : 105,616.58 = 23,696.79 : x
  2. Step 2: Convert to fraction form
    70,411.11/105,616.58 = 23,696.79/x
  3. Step 3: Cross multiply
    70,411.11x = 105,616.58 × 23,696.79
  4. Step 4: Simplify right side
    70,411.11x = 2,502,773,798.29
  5. Step 5: Solve for x
    x = 2,502,773,798.29/70,411.11
  6. Step 6: Final answer
    x = 35,545.15

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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.