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Finding the Fourth Proportional to 5,927,783.50, 8,891,697.12 and 1,440,059.50

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Solution

The fourth proportional to 5,927,783.50, 8,891,697.12 and 1,440,059.50 is: 2,160,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927,783.50 : 8,891,697.12 = 1,440,059.50 : x
  2. Step 2: Convert to fraction form
    5,927,783.50/8,891,697.12 = 1,440,059.50/x
  3. Step 3: Cross multiply
    5,927,783.50x = 8,891,697.12 × 1,440,059.50
  4. Step 4: Simplify right side
    5,927,783.50x = 12,804,572,908,778.64
  5. Step 5: Solve for x
    x = 12,804,572,908,778.64/5,927,783.50
  6. Step 6: Final answer
    x = 2,160,094.56

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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.