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Finding the Fourth Proportional to 70,074.16, 105,111.24 and 17,483.48

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Solution

The fourth proportional to 70,074.16, 105,111.24 and 17,483.48 is: 26,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,074.16 : 105,111.24 = 17,483.48 : x
  2. Step 2: Convert to fraction form
    70,074.16/105,111.24 = 17,483.48/x
  3. Step 3: Cross multiply
    70,074.16x = 105,111.24 × 17,483.48
  4. Step 4: Simplify right side
    70,074.16x = 1,837,710,262.32
  5. Step 5: Solve for x
    x = 1,837,710,262.32/70,074.16
  6. Step 6: Final answer
    x = 26,225.22

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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.