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Finding the Fourth Proportional to 44,345.60, 66,460.80 and 32,019.20

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Solution

The fourth proportional to 44,345.60, 66,460.80 and 32,019.20 is: 47,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,345.60 : 66,460.80 = 32,019.20 : x
  2. Step 2: Convert to fraction form
    44,345.60/66,460.80 = 32,019.20/x
  3. Step 3: Cross multiply
    44,345.60x = 66,460.80 × 32,019.20
  4. Step 4: Simplify right side
    44,345.60x = 2,128,021,647.36
  5. Step 5: Solve for x
    x = 2,128,021,647.36/44,345.60
  6. Step 6: Final answer
    x = 47,987.21

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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.