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Finding the Fourth Proportional to 70,637.61, 105,948.02 and 23,240.95

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Solution

The fourth proportional to 70,637.61, 105,948.02 and 23,240.95 is: 34,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.61 : 105,948.02 = 23,240.95 : x
  2. Step 2: Convert to fraction form
    70,637.61/105,948.02 = 23,240.95/x
  3. Step 3: Cross multiply
    70,637.61x = 105,948.02 × 23,240.95
  4. Step 4: Simplify right side
    70,637.61x = 2,462,332,370.55
  5. Step 5: Solve for x
    x = 2,462,332,370.55/70,637.61
  6. Step 6: Final answer
    x = 34,858.66

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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.