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Finding the Fourth Proportional to 37,655.16, 56,478.42 and 9,955.32

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Solution

The fourth proportional to 37,655.16, 56,478.42 and 9,955.32 is: 14,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,655.16 : 56,478.42 = 9,955.32 : x
  2. Step 2: Convert to fraction form
    37,655.16/56,478.42 = 9,955.32/x
  3. Step 3: Cross multiply
    37,655.16x = 56,478.42 × 9,955.32
  4. Step 4: Simplify right side
    37,655.16x = 562,260,744.19
  5. Step 5: Solve for x
    x = 562,260,744.19/37,655.16
  6. Step 6: Final answer
    x = 14,931.84

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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.