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Finding the Fourth Proportional to 7,535,807.20, 11,303,710.80 and 7,472,821.60

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Solution

The fourth proportional to 7,535,807.20, 11,303,710.80 and 7,472,821.60 is: 11,209,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535,807.20 : 11,303,710.80 = 7,472,821.60 : x
  2. Step 2: Convert to fraction form
    7,535,807.20/11,303,710.80 = 7,472,821.60/x
  3. Step 3: Cross multiply
    7,535,807.20x = 11,303,710.80 × 7,472,821.60
  4. Step 4: Simplify right side
    7,535,807.20x = 84,470,614,226,393.28
  5. Step 5: Solve for x
    x = 84,470,614,226,393.28/7,535,807.20
  6. Step 6: Final answer
    x = 11,209,232.40

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Similar ratio
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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.