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Finding the Fourth Proportional to 28,966,852.40, 43,455,527.40 and 14,553,647.60

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Solution

The fourth proportional to 28,966,852.40, 43,455,527.40 and 14,553,647.60 is: 21,833,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966,852.40 : 43,455,527.40 = 14,553,647.60 : x
  2. Step 2: Convert to fraction form
    28,966,852.40/43,455,527.40 = 14,553,647.60/x
  3. Step 3: Cross multiply
    28,966,852.40x = 43,455,527.40 × 14,553,647.60
  4. Step 4: Simplify right side
    28,966,852.40x = 632,436,432,051,744.25
  5. Step 5: Solve for x
    x = 632,436,432,051,744.25/28,966,852.40
  6. Step 6: Final answer
    x = 21,833,108.52

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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.