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Finding the Fourth Proportional to 60,302.51, 90,458.10 and 15,928.68

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Solution

The fourth proportional to 60,302.51, 90,458.10 and 15,928.68 is: 23,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,302.51 : 90,458.10 = 15,928.68 : x
  2. Step 2: Convert to fraction form
    60,302.51/90,458.10 = 15,928.68/x
  3. Step 3: Cross multiply
    60,302.51x = 90,458.10 × 15,928.68
  4. Step 4: Simplify right side
    60,302.51x = 1,440,878,048.66
  5. Step 5: Solve for x
    x = 1,440,878,048.66/60,302.51
  6. Step 6: Final answer
    x = 23,894.17

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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.