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Finding the Fourth Proportional to 70,508.94, 105,763.77 and 23,762.22

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Solution

The fourth proportional to 70,508.94, 105,763.77 and 23,762.22 is: 35,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,508.94 : 105,763.77 = 23,762.22 : x
  2. Step 2: Convert to fraction form
    70,508.94/105,763.77 = 23,762.22/x
  3. Step 3: Cross multiply
    70,508.94x = 105,763.77 × 23,762.22
  4. Step 4: Simplify right side
    70,508.94x = 2,513,181,970.77
  5. Step 5: Solve for x
    x = 2,513,181,970.77/70,508.94
  6. Step 6: Final answer
    x = 35,643.45

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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.