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Finding the Fourth Proportional to 28,533.80, 42,800.70 and 10,063.40

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Solution

The fourth proportional to 28,533.80, 42,800.70 and 10,063.40 is: 15,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.80 : 42,800.70 = 10,063.40 : x
  2. Step 2: Convert to fraction form
    28,533.80/42,800.70 = 10,063.40/x
  3. Step 3: Cross multiply
    28,533.80x = 42,800.70 × 10,063.40
  4. Step 4: Simplify right side
    28,533.80x = 430,720,564.38
  5. Step 5: Solve for x
    x = 430,720,564.38/28,533.80
  6. Step 6: Final answer
    x = 15,095.10

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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.