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Finding the Fourth Proportional to 51,641.60, 77,404.80 and 22,054.40

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Solution

The fourth proportional to 51,641.60, 77,404.80 and 22,054.40 is: 33,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.60 : 77,404.80 = 22,054.40 : x
  2. Step 2: Convert to fraction form
    51,641.60/77,404.80 = 22,054.40/x
  3. Step 3: Cross multiply
    51,641.60x = 77,404.80 × 22,054.40
  4. Step 4: Simplify right side
    51,641.60x = 1,707,116,421.12
  5. Step 5: Solve for x
    x = 1,707,116,421.12/51,641.60
  6. Step 6: Final answer
    x = 33,057.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.