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Finding the Fourth Proportional to 8,899,657.94, 13,349,875.11 and 4,354,533.71

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Solution

The fourth proportional to 8,899,657.94, 13,349,875.11 and 4,354,533.71 is: 6,531,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899,657.94 : 13,349,875.11 = 4,354,533.71 : x
  2. Step 2: Convert to fraction form
    8,899,657.94/13,349,875.11 = 4,354,533.71/x
  3. Step 3: Cross multiply
    8,899,657.94x = 13,349,875.11 × 4,354,533.71
  4. Step 4: Simplify right side
    8,899,657.94x = 58,132,481,190,784.95
  5. Step 5: Solve for x
    x = 58,132,481,190,784.95/8,899,657.94
  6. Step 6: Final answer
    x = 6,531,990.51

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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.