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Finding the Fourth Proportional to 42,970.99, 64,482.00 and 23,249.11

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Solution

The fourth proportional to 42,970.99, 64,482.00 and 23,249.11 is: 34,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,970.99 : 64,482.00 = 23,249.11 : x
  2. Step 2: Convert to fraction form
    42,970.99/64,482.00 = 23,249.11/x
  3. Step 3: Cross multiply
    42,970.99x = 64,482.00 × 23,249.11
  4. Step 4: Simplify right side
    42,970.99x = 1,499,148,672.36
  5. Step 5: Solve for x
    x = 1,499,148,672.36/42,970.99
  6. Step 6: Final answer
    x = 34,887.46

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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.