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Finding the Fourth Proportional to 8,547,977.47, 11,796,228.01 and 4,627,774.91

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Solution

The fourth proportional to 8,547,977.47, 11,796,228.01 and 4,627,774.91 is: 6,386,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,977.47 : 11,796,228.01 = 4,627,774.91 : x
  2. Step 2: Convert to fraction form
    8,547,977.47/11,796,228.01 = 4,627,774.91/x
  3. Step 3: Cross multiply
    8,547,977.47x = 11,796,228.01 × 4,627,774.91
  4. Step 4: Simplify right side
    8,547,977.47x = 54,590,288,017,317.23
  5. Step 5: Solve for x
    x = 54,590,288,017,317.23/8,547,977.47
  6. Step 6: Final answer
    x = 6,386,339.72

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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.