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Finding the Fourth Proportional to 74,368.62, 102,590.67 and 47,482.86

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Solution

The fourth proportional to 74,368.62, 102,590.67 and 47,482.86 is: 65,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.62 : 102,590.67 = 47,482.86 : x
  2. Step 2: Convert to fraction form
    74,368.62/102,590.67 = 47,482.86/x
  3. Step 3: Cross multiply
    74,368.62x = 102,590.67 × 47,482.86
  4. Step 4: Simplify right side
    74,368.62x = 4,871,298,420.92
  5. Step 5: Solve for x
    x = 4,871,298,420.92/74,368.62
  6. Step 6: Final answer
    x = 65,502.07

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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.