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Finding the Fourth Proportional to 28,803.62, 39,713.13 and 24,030.50

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Solution

The fourth proportional to 28,803.62, 39,713.13 and 24,030.50 is: 33,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.62 : 39,713.13 = 24,030.50 : x
  2. Step 2: Convert to fraction form
    28,803.62/39,713.13 = 24,030.50/x
  3. Step 3: Cross multiply
    28,803.62x = 39,713.13 × 24,030.50
  4. Step 4: Simplify right side
    28,803.62x = 954,326,171.90
  5. Step 5: Solve for x
    x = 954,326,171.90/28,803.62
  6. Step 6: Final answer
    x = 33,132.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.