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Finding the Fourth Proportional to 47,663.76, 65,772.84 and 26,442.32

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Solution

The fourth proportional to 47,663.76, 65,772.84 and 26,442.32 is: 36,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,663.76 : 65,772.84 = 26,442.32 : x
  2. Step 2: Convert to fraction form
    47,663.76/65,772.84 = 26,442.32/x
  3. Step 3: Cross multiply
    47,663.76x = 65,772.84 × 26,442.32
  4. Step 4: Simplify right side
    47,663.76x = 1,739,186,482.59
  5. Step 5: Solve for x
    x = 1,739,186,482.59/47,663.76
  6. Step 6: Final answer
    x = 36,488.65

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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.