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Finding the Fourth Proportional to 10,901.84, 15,050.58 and 7,503.80

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Solution

The fourth proportional to 10,901.84, 15,050.58 and 7,503.80 is: 10,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.84 : 15,050.58 = 7,503.80 : x
  2. Step 2: Convert to fraction form
    10,901.84/15,050.58 = 7,503.80/x
  3. Step 3: Cross multiply
    10,901.84x = 15,050.58 × 7,503.80
  4. Step 4: Simplify right side
    10,901.84x = 112,936,542.20
  5. Step 5: Solve for x
    x = 112,936,542.20/10,901.84
  6. Step 6: Final answer
    x = 10,359.40

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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.