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Finding the Fourth Proportional to 15,303,485.55, 22,955,228.33 and 15,303,485.55

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Solution

The fourth proportional to 15,303,485.55, 22,955,228.33 and 15,303,485.55 is: 22,955,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303,485.55 : 22,955,228.33 = 15,303,485.55 : x
  2. Step 2: Convert to fraction form
    15,303,485.55/22,955,228.33 = 15,303,485.55/x
  3. Step 3: Cross multiply
    15,303,485.55x = 22,955,228.33 × 15,303,485.55
  4. Step 4: Simplify right side
    15,303,485.55x = 351,295,004,968,588.19
  5. Step 5: Solve for x
    x = 351,295,004,968,588.19/15,303,485.55
  6. Step 6: Final answer
    x = 22,955,228.33

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Double scale
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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.