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Finding the Fourth Proportional to 64,295.03, 88,678.44 and 56,323.42

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Solution

The fourth proportional to 64,295.03, 88,678.44 and 56,323.42 is: 77,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,295.03 : 88,678.44 = 56,323.42 : x
  2. Step 2: Convert to fraction form
    64,295.03/88,678.44 = 56,323.42/x
  3. Step 3: Cross multiply
    64,295.03x = 88,678.44 × 56,323.42
  4. Step 4: Simplify right side
    64,295.03x = 4,994,672,799.37
  5. Step 5: Solve for x
    x = 4,994,672,799.37/64,295.03
  6. Step 6: Final answer
    x = 77,683.65

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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.