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Finding the Fourth Proportional to 12,773,485.85, 17,624,779.07 and 7,339,928.09

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Solution

The fourth proportional to 12,773,485.85, 17,624,779.07 and 7,339,928.09 is: 10,127,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,485.85 : 17,624,779.07 = 7,339,928.09 : x
  2. Step 2: Convert to fraction form
    12,773,485.85/17,624,779.07 = 7,339,928.09/x
  3. Step 3: Cross multiply
    12,773,485.85x = 17,624,779.07 × 7,339,928.09
  4. Step 4: Simplify right side
    12,773,485.85x = 129,364,610,975,937.08
  5. Step 5: Solve for x
    x = 129,364,610,975,937.08/12,773,485.85
  6. Step 6: Final answer
    x = 10,127,588.70

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1.5x scale

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.