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Finding the Fourth Proportional to 10,571,211.20, 14,833,288 and 10,571,211.20

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Solution

The fourth proportional to 10,571,211.20, 14,833,288 and 10,571,211.20 is: 14,833,288

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,211.20 : 14,833,288 = 10,571,211.20 : x
  2. Step 2: Convert to fraction form
    10,571,211.20/14,833,288 = 10,571,211.20/x
  3. Step 3: Cross multiply
    10,571,211.20x = 14,833,288 × 10,571,211.20
  4. Step 4: Simplify right side
    10,571,211.20x = 156,805,820,238,425.59
  5. Step 5: Solve for x
    x = 156,805,820,238,425.59/10,571,211.20
  6. Step 6: Final answer
    x = 14,833,288

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.