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Finding the Fourth Proportional to 56,455.70, 77,903.22 and 32,590.06

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Solution

The fourth proportional to 56,455.70, 77,903.22 and 32,590.06 is: 44,971.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,455.70 : 77,903.22 = 32,590.06 : x
  2. Step 2: Convert to fraction form
    56,455.70/77,903.22 = 32,590.06/x
  3. Step 3: Cross multiply
    56,455.70x = 77,903.22 × 32,590.06
  4. Step 4: Simplify right side
    56,455.70x = 2,538,870,613.99
  5. Step 5: Solve for x
    x = 2,538,870,613.99/56,455.70
  6. Step 6: Final answer
    x = 44,971.02

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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.