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Finding the Fourth Proportional to 6,497,430.90, 8,966,525.55 and 3,596,870.21

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Solution

The fourth proportional to 6,497,430.90, 8,966,525.55 and 3,596,870.21 is: 4,963,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497,430.90 : 8,966,525.55 = 3,596,870.21 : x
  2. Step 2: Convert to fraction form
    6,497,430.90/8,966,525.55 = 3,596,870.21/x
  3. Step 3: Cross multiply
    6,497,430.90x = 8,966,525.55 × 3,596,870.21
  4. Step 4: Simplify right side
    6,497,430.90x = 32,251,428,579,677.98
  5. Step 5: Solve for x
    x = 32,251,428,579,677.98/6,497,430.90
  6. Step 6: Final answer
    x = 4,963,720.14

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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.