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Finding the Fourth Proportional to 5,657,193.92, 8,484,948.48 and 1,870,696.64

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Solution

The fourth proportional to 5,657,193.92, 8,484,948.48 and 1,870,696.64 is: 2,805,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657,193.92 : 8,484,948.48 = 1,870,696.64 : x
  2. Step 2: Convert to fraction form
    5,657,193.92/8,484,948.48 = 1,870,696.64/x
  3. Step 3: Cross multiply
    5,657,193.92x = 8,484,948.48 × 1,870,696.64
  4. Step 4: Simplify right side
    5,657,193.92x = 15,872,764,612,109.11
  5. Step 5: Solve for x
    x = 15,872,764,612,109.11/5,657,193.92
  6. Step 6: Final answer
    x = 2,805,766.40

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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.