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Finding the Fourth Proportional to 35,373.16, 48,884.98 and 28,989.68

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Solution

The fourth proportional to 35,373.16, 48,884.98 and 28,989.68 is: 40,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.16 : 48,884.98 = 28,989.68 : x
  2. Step 2: Convert to fraction form
    35,373.16/48,884.98 = 28,989.68/x
  3. Step 3: Cross multiply
    35,373.16x = 48,884.98 × 28,989.68
  4. Step 4: Simplify right side
    35,373.16x = 1,417,159,927.01
  5. Step 5: Solve for x
    x = 1,417,159,927.01/35,373.16
  6. Step 6: Final answer
    x = 40,063.14

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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.