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Finding the Fourth Proportional to 35,872,394.40, 53,803,342.80 and 10,310,738.40

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Solution

The fourth proportional to 35,872,394.40, 53,803,342.80 and 10,310,738.40 is: 15,464,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872,394.40 : 53,803,342.80 = 10,310,738.40 : x
  2. Step 2: Convert to fraction form
    35,872,394.40/53,803,342.80 = 10,310,738.40/x
  3. Step 3: Cross multiply
    35,872,394.40x = 53,803,342.80 × 10,310,738.40
  4. Step 4: Simplify right side
    35,872,394.40x = 554,752,192,656,323.50
  5. Step 5: Solve for x
    x = 554,752,192,656,323.50/35,872,394.40
  6. Step 6: Final answer
    x = 15,464,598.95

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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.