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Finding the Fourth Proportional to 6,409,677.54, 8,845,312.35 and 3,509,117.16

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Solution

The fourth proportional to 6,409,677.54, 8,845,312.35 and 3,509,117.16 is: 4,842,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409,677.54 : 8,845,312.35 = 3,509,117.16 : x
  2. Step 2: Convert to fraction form
    6,409,677.54/8,845,312.35 = 3,509,117.16/x
  3. Step 3: Cross multiply
    6,409,677.54x = 8,845,312.35 × 3,509,117.16
  4. Step 4: Simplify right side
    6,409,677.54x = 31,039,237,352,944.93
  5. Step 5: Solve for x
    x = 31,039,237,352,944.93/6,409,677.54
  6. Step 6: Final answer
    x = 4,842,558.33

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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.