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Finding the Fourth Proportional to 9,865,342.87, 14,793,696.34 and 5,253,357.63

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Solution

The fourth proportional to 9,865,342.87, 14,793,696.34 and 5,253,357.63 is: 7,877,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865,342.87 : 14,793,696.34 = 5,253,357.63 : x
  2. Step 2: Convert to fraction form
    9,865,342.87/14,793,696.34 = 5,253,357.63/x
  3. Step 3: Cross multiply
    9,865,342.87x = 14,793,696.34 × 5,253,357.63
  4. Step 4: Simplify right side
    9,865,342.87x = 77,716,577,615,535.19
  5. Step 5: Solve for x
    x = 77,716,577,615,535.19/9,865,342.87
  6. Step 6: Final answer
    x = 7,877,737.11

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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.