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Finding the Fourth Proportional to 70,008.47, 96,603.09 and 42,798.24

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Solution

The fourth proportional to 70,008.47, 96,603.09 and 42,798.24 is: 59,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008.47 : 96,603.09 = 42,798.24 : x
  2. Step 2: Convert to fraction form
    70,008.47/96,603.09 = 42,798.24/x
  3. Step 3: Cross multiply
    70,008.47x = 96,603.09 × 42,798.24
  4. Step 4: Simplify right side
    70,008.47x = 4,134,442,230.56
  5. Step 5: Solve for x
    x = 4,134,442,230.56/70,008.47
  6. Step 6: Final answer
    x = 59,056.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.