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Finding the Fourth Proportional to 56,501.20, 84,751.80 and 14,948.20

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Solution

The fourth proportional to 56,501.20, 84,751.80 and 14,948.20 is: 22,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.20 : 84,751.80 = 14,948.20 : x
  2. Step 2: Convert to fraction form
    56,501.20/84,751.80 = 14,948.20/x
  3. Step 3: Cross multiply
    56,501.20x = 84,751.80 × 14,948.20
  4. Step 4: Simplify right side
    56,501.20x = 1,266,886,856.76
  5. Step 5: Solve for x
    x = 1,266,886,856.76/56,501.20
  6. Step 6: Final answer
    x = 22,422.30

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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.