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Finding the Fourth Proportional to 34,970.75, 48,259.64 and 19,055.20

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Solution

The fourth proportional to 34,970.75, 48,259.64 and 19,055.20 is: 26,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,970.75 : 48,259.64 = 19,055.20 : x
  2. Step 2: Convert to fraction form
    34,970.75/48,259.64 = 19,055.20/x
  3. Step 3: Cross multiply
    34,970.75x = 48,259.64 × 19,055.20
  4. Step 4: Simplify right side
    34,970.75x = 919,596,996.85
  5. Step 5: Solve for x
    x = 919,596,996.85/34,970.75
  6. Step 6: Final answer
    x = 26,296.18

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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.