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Finding the Fourth Proportional to 7,673,281.60, 11,509,922.40 and 7,345,652.80

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Solution

The fourth proportional to 7,673,281.60, 11,509,922.40 and 7,345,652.80 is: 11,018,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673,281.60 : 11,509,922.40 = 7,345,652.80 : x
  2. Step 2: Convert to fraction form
    7,673,281.60/11,509,922.40 = 7,345,652.80/x
  3. Step 3: Cross multiply
    7,673,281.60x = 11,509,922.40 × 7,345,652.80
  4. Step 4: Simplify right side
    7,673,281.60x = 84,547,893,705,342.72
  5. Step 5: Solve for x
    x = 84,547,893,705,342.72/7,673,281.60
  6. Step 6: Final answer
    x = 11,018,479.20

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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.