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Finding the Fourth Proportional to 9,842,655.60, 14,763,983.40 and 8,673,485.40

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Solution

The fourth proportional to 9,842,655.60, 14,763,983.40 and 8,673,485.40 is: 13,010,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842,655.60 : 14,763,983.40 = 8,673,485.40 : x
  2. Step 2: Convert to fraction form
    9,842,655.60/14,763,983.40 = 8,673,485.40/x
  3. Step 3: Cross multiply
    9,842,655.60x = 14,763,983.40 × 8,673,485.40
  4. Step 4: Simplify right side
    9,842,655.60x = 128,055,194,465,742.38
  5. Step 5: Solve for x
    x = 128,055,194,465,742.38/9,842,655.60
  6. Step 6: Final answer
    x = 13,010,228.10

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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.