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Finding the Fourth Proportional to 6,144,661.72, 8,456,881.60 and 4,510,480.65

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Solution

The fourth proportional to 6,144,661.72, 8,456,881.60 and 4,510,480.65 is: 6,207,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144,661.72 : 8,456,881.60 = 4,510,480.65 : x
  2. Step 2: Convert to fraction form
    6,144,661.72/8,456,881.60 = 4,510,480.65/x
  3. Step 3: Cross multiply
    6,144,661.72x = 8,456,881.60 × 4,510,480.65
  4. Step 4: Simplify right side
    6,144,661.72x = 38,144,600,764,695.28
  5. Step 5: Solve for x
    x = 38,144,600,764,695.28/6,144,661.72
  6. Step 6: Final answer
    x = 6,207,762.53

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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.