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Finding the Fourth Proportional to 10,249,504.80, 15,367,258.80 and 4,860,736.80

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Solution

The fourth proportional to 10,249,504.80, 15,367,258.80 and 4,860,736.80 is: 7,287,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249,504.80 : 15,367,258.80 = 4,860,736.80 : x
  2. Step 2: Convert to fraction form
    10,249,504.80/15,367,258.80 = 4,860,736.80/x
  3. Step 3: Cross multiply
    10,249,504.80x = 15,367,258.80 × 4,860,736.80
  4. Step 4: Simplify right side
    10,249,504.80x = 74,696,200,364,283.84
  5. Step 5: Solve for x
    x = 74,696,200,364,283.84/10,249,504.80
  6. Step 6: Final answer
    x = 7,287,786.27

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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.