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Finding the Fourth Proportional to 6,490,802.52, 9,735,933.08 and 1,698,385.68

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Solution

The fourth proportional to 6,490,802.52, 9,735,933.08 and 1,698,385.68 is: 2,547,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490,802.52 : 9,735,933.08 = 1,698,385.68 : x
  2. Step 2: Convert to fraction form
    6,490,802.52/9,735,933.08 = 1,698,385.68/x
  3. Step 3: Cross multiply
    6,490,802.52x = 9,735,933.08 × 1,698,385.68
  4. Step 4: Simplify right side
    6,490,802.52x = 16,535,369,319,202.84
  5. Step 5: Solve for x
    x = 16,535,369,319,202.84/6,490,802.52
  6. Step 6: Final answer
    x = 2,547,507.69

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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.