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Finding the Fourth Proportional to 8,917,750.76, 12,306,559.03 and 4,843,369.76

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Solution

The fourth proportional to 8,917,750.76, 12,306,559.03 and 4,843,369.76 is: 6,683,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,750.76 : 12,306,559.03 = 4,843,369.76 : x
  2. Step 2: Convert to fraction form
    8,917,750.76/12,306,559.03 = 4,843,369.76/x
  3. Step 3: Cross multiply
    8,917,750.76x = 12,306,559.03 × 4,843,369.76
  4. Step 4: Simplify right side
    8,917,750.76x = 59,605,215,781,915.71
  5. Step 5: Solve for x
    x = 59,605,215,781,915.71/8,917,750.76
  6. Step 6: Final answer
    x = 6,683,884.47

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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.