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Finding the Fourth Proportional to 9,235,760.80, 13,853,878.80 and 4,376,927.20

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Solution

The fourth proportional to 9,235,760.80, 13,853,878.80 and 4,376,927.20 is: 6,565,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235,760.80 : 13,853,878.80 = 4,376,927.20 : x
  2. Step 2: Convert to fraction form
    9,235,760.80/13,853,878.80 = 4,376,927.20/x
  3. Step 3: Cross multiply
    9,235,760.80x = 13,853,878.80 × 4,376,927.20
  4. Step 4: Simplify right side
    9,235,760.80x = 60,637,418,945,223.37
  5. Step 5: Solve for x
    x = 60,637,418,945,223.37/9,235,760.80
  6. Step 6: Final answer
    x = 6,565,503.40

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1.5x scale

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.