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Finding the Fourth Proportional to 70,045.76, 105,033.60 and 23,282.24

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Solution

The fourth proportional to 70,045.76, 105,033.60 and 23,282.24 is: 34,911.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,045.76 : 105,033.60 = 23,282.24 : x
  2. Step 2: Convert to fraction form
    70,045.76/105,033.60 = 23,282.24/x
  3. Step 3: Cross multiply
    70,045.76x = 105,033.60 × 23,282.24
  4. Step 4: Simplify right side
    70,045.76x = 2,445,417,483.26
  5. Step 5: Solve for x
    x = 2,445,417,483.26/70,045.76
  6. Step 6: Final answer
    x = 34,911.71

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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.