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Finding the Fourth Proportional to 14,537,657.20, 21,759,246.60 and 14,537,657.20

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Solution

The fourth proportional to 14,537,657.20, 21,759,246.60 and 14,537,657.20 is: 21,759,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537,657.20 : 21,759,246.60 = 14,537,657.20 : x
  2. Step 2: Convert to fraction form
    14,537,657.20/21,759,246.60 = 14,537,657.20/x
  3. Step 3: Cross multiply
    14,537,657.20x = 21,759,246.60 × 14,537,657.20
  4. Step 4: Simplify right side
    14,537,657.20x = 316,328,468,001,065.50
  5. Step 5: Solve for x
    x = 316,328,468,001,065.50/14,537,657.20
  6. Step 6: Final answer
    x = 21,759,246.60

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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.