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Finding the Fourth Proportional to 60,392.64, 90,541.28 and 38,159.08

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Solution

The fourth proportional to 60,392.64, 90,541.28 and 38,159.08 is: 57,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,392.64 : 90,541.28 = 38,159.08 : x
  2. Step 2: Convert to fraction form
    60,392.64/90,541.28 = 38,159.08/x
  3. Step 3: Cross multiply
    60,392.64x = 90,541.28 × 38,159.08
  4. Step 4: Simplify right side
    60,392.64x = 3,454,971,946.82
  5. Step 5: Solve for x
    x = 3,454,971,946.82/60,392.64
  6. Step 6: Final answer
    x = 57,208.49

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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.