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Finding the Fourth Proportional to 60,593.40, 90,931.61 and 21,150.51

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Solution

The fourth proportional to 60,593.40, 90,931.61 and 21,150.51 is: 31,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,593.40 : 90,931.61 = 21,150.51 : x
  2. Step 2: Convert to fraction form
    60,593.40/90,931.61 = 21,150.51/x
  3. Step 3: Cross multiply
    60,593.40x = 90,931.61 × 21,150.51
  4. Step 4: Simplify right side
    60,593.40x = 1,923,249,678.16
  5. Step 5: Solve for x
    x = 1,923,249,678.16/60,593.40
  6. Step 6: Final answer
    x = 31,740.25

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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.