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Finding the Fourth Proportional to 8,952,928.60, 13,400,816.10 and 7,063,360.60

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Solution

The fourth proportional to 8,952,928.60, 13,400,816.10 and 7,063,360.60 is: 10,572,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952,928.60 : 13,400,816.10 = 7,063,360.60 : x
  2. Step 2: Convert to fraction form
    8,952,928.60/13,400,816.10 = 7,063,360.60/x
  3. Step 3: Cross multiply
    8,952,928.60x = 13,400,816.10 × 7,063,360.60
  4. Step 4: Simplify right side
    8,952,928.60x = 94,654,796,448,585.66
  5. Step 5: Solve for x
    x = 94,654,796,448,585.66/8,952,928.60
  6. Step 6: Final answer
    x = 10,572,495.40

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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.