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Finding the Fourth Proportional to 4,966,686.07, 7,446,011.10 and 1,553,216.47

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Solution

The fourth proportional to 4,966,686.07, 7,446,011.10 and 1,553,216.47 is: 2,328,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966,686.07 : 7,446,011.10 = 1,553,216.47 : x
  2. Step 2: Convert to fraction form
    4,966,686.07/7,446,011.10 = 1,553,216.47/x
  3. Step 3: Cross multiply
    4,966,686.07x = 7,446,011.10 × 1,553,216.47
  4. Step 4: Simplify right side
    4,966,686.07x = 11,565,267,076,322.82
  5. Step 5: Solve for x
    x = 11,565,267,076,322.82/4,966,686.07
  6. Step 6: Final answer
    x = 2,328,568.17

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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.