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Finding the Fourth Proportional to 23,931.50, 35,903.04 and 7,515.50

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Solution

The fourth proportional to 23,931.50, 35,903.04 and 7,515.50 is: 11,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.50 : 35,903.04 = 7,515.50 : x
  2. Step 2: Convert to fraction form
    23,931.50/35,903.04 = 7,515.50/x
  3. Step 3: Cross multiply
    23,931.50x = 35,903.04 × 7,515.50
  4. Step 4: Simplify right side
    23,931.50x = 269,829,297.12
  5. Step 5: Solve for x
    x = 269,829,297.12/23,931.50
  6. Step 6: Final answer
    x = 11,275.07

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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.