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Finding the Fourth Proportional to 8,764,854.60, 12,095,473.80 and 4,897,378.80

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Solution

The fourth proportional to 8,764,854.60, 12,095,473.80 and 4,897,378.80 is: 6,758,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,854.60 : 12,095,473.80 = 4,897,378.80 : x
  2. Step 2: Convert to fraction form
    8,764,854.60/12,095,473.80 = 4,897,378.80/x
  3. Step 3: Cross multiply
    8,764,854.60x = 12,095,473.80 × 4,897,378.80
  4. Step 4: Simplify right side
    8,764,854.60x = 59,236,116,964,075.44
  5. Step 5: Solve for x
    x = 59,236,116,964,075.44/8,764,854.60
  6. Step 6: Final answer
    x = 6,758,368.47

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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.