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Finding the Fourth Proportional to 10,658,533.20, 14,955,538.80 and 10,658,533.20

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Solution

The fourth proportional to 10,658,533.20, 14,955,538.80 and 10,658,533.20 is: 14,955,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658,533.20 : 14,955,538.80 = 10,658,533.20 : x
  2. Step 2: Convert to fraction form
    10,658,533.20/14,955,538.80 = 10,658,533.20/x
  3. Step 3: Cross multiply
    10,658,533.20x = 14,955,538.80 × 10,658,533.20
  4. Step 4: Simplify right side
    10,658,533.20x = 159,404,106,823,688.16
  5. Step 5: Solve for x
    x = 159,404,106,823,688.16/10,658,533.20
  6. Step 6: Final answer
    x = 14,955,538.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.