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Finding the Fourth Proportional to 62,352.32, 86,014.08 and 42,210.08

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Solution

The fourth proportional to 62,352.32, 86,014.08 and 42,210.08 is: 58,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,352.32 : 86,014.08 = 42,210.08 : x
  2. Step 2: Convert to fraction form
    62,352.32/86,014.08 = 42,210.08/x
  3. Step 3: Cross multiply
    62,352.32x = 86,014.08 × 42,210.08
  4. Step 4: Simplify right side
    62,352.32x = 3,630,661,197.93
  5. Step 5: Solve for x
    x = 3,630,661,197.93/62,352.32
  6. Step 6: Final answer
    x = 58,228.17

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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.