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Finding the Fourth Proportional to 8,955,830, 12,359,054.04 and 4,881,465.20

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Solution

The fourth proportional to 8,955,830, 12,359,054.04 and 4,881,465.20 is: 6,736,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955,830 : 12,359,054.04 = 4,881,465.20 : x
  2. Step 2: Convert to fraction form
    8,955,830/12,359,054.04 = 4,881,465.20/x
  3. Step 3: Cross multiply
    8,955,830x = 12,359,054.04 × 4,881,465.20
  4. Step 4: Simplify right side
    8,955,830x = 60,330,292,201,179.41
  5. Step 5: Solve for x
    x = 60,330,292,201,179.41/8,955,830
  6. Step 6: Final answer
    x = 6,736,426.69

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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.