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Finding the Fourth Proportional to 59,547.20, 89,320.80 and 32,820.80

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Solution

The fourth proportional to 59,547.20, 89,320.80 and 32,820.80 is: 49,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,547.20 : 89,320.80 = 32,820.80 : x
  2. Step 2: Convert to fraction form
    59,547.20/89,320.80 = 32,820.80/x
  3. Step 3: Cross multiply
    59,547.20x = 89,320.80 × 32,820.80
  4. Step 4: Simplify right side
    59,547.20x = 2,931,580,112.64
  5. Step 5: Solve for x
    x = 2,931,580,112.64/59,547.20
  6. Step 6: Final answer
    x = 49,231.20

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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.