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Finding the Fourth Proportional to 6,503,863.70, 8,974,605.65 and 3,602,534.74

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Solution

The fourth proportional to 6,503,863.70, 8,974,605.65 and 3,602,534.74 is: 4,971,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503,863.70 : 8,974,605.65 = 3,602,534.74 : x
  2. Step 2: Convert to fraction form
    6,503,863.70/8,974,605.65 = 3,602,534.74/x
  3. Step 3: Cross multiply
    6,503,863.70x = 8,974,605.65 × 3,602,534.74
  4. Step 4: Simplify right side
    6,503,863.70x = 32,331,328,631,925.29
  5. Step 5: Solve for x
    x = 32,331,328,631,925.29/6,503,863.70
  6. Step 6: Final answer
    x = 4,971,095.66

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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.