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Finding the Fourth Proportional to 70,189.03, 105,275.80 and 17,598.52

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Solution

The fourth proportional to 70,189.03, 105,275.80 and 17,598.52 is: 26,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,189.03 : 105,275.80 = 17,598.52 : x
  2. Step 2: Convert to fraction form
    70,189.03/105,275.80 = 17,598.52/x
  3. Step 3: Cross multiply
    70,189.03x = 105,275.80 × 17,598.52
  4. Step 4: Simplify right side
    70,189.03x = 1,852,697,833.23
  5. Step 5: Solve for x
    x = 1,852,697,833.23/70,189.03
  6. Step 6: Final answer
    x = 26,395.83

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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.