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Finding the Fourth Proportional to 56,421.30, 77,858.67 and 32,555.67

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Solution

The fourth proportional to 56,421.30, 77,858.67 and 32,555.67 is: 44,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.30 : 77,858.67 = 32,555.67 : x
  2. Step 2: Convert to fraction form
    56,421.30/77,858.67 = 32,555.67/x
  3. Step 3: Cross multiply
    56,421.30x = 77,858.67 × 32,555.67
  4. Step 4: Simplify right side
    56,421.30x = 2,534,741,167.16
  5. Step 5: Solve for x
    x = 2,534,741,167.16/56,421.30
  6. Step 6: Final answer
    x = 44,925.25

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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.