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Finding the Fourth Proportional to 7,065,008.80, 10,602,178.80 and 4,032,368.80

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Solution

The fourth proportional to 7,065,008.80, 10,602,178.80 and 4,032,368.80 is: 6,051,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065,008.80 : 10,602,178.80 = 4,032,368.80 : x
  2. Step 2: Convert to fraction form
    7,065,008.80/10,602,178.80 = 4,032,368.80/x
  3. Step 3: Cross multiply
    7,065,008.80x = 10,602,178.80 × 4,032,368.80
  4. Step 4: Simplify right side
    7,065,008.80x = 42,751,895,005,141.44
  5. Step 5: Solve for x
    x = 42,751,895,005,141.44/7,065,008.80
  6. Step 6: Final answer
    x = 6,051,216.10

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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.