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Finding the Fourth Proportional to 9,711,345.60, 13,570,689.60 and 9,711,345.60

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Solution

The fourth proportional to 9,711,345.60, 13,570,689.60 and 9,711,345.60 is: 13,570,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711,345.60 : 13,570,689.60 = 9,711,345.60 : x
  2. Step 2: Convert to fraction form
    9,711,345.60/13,570,689.60 = 9,711,345.60/x
  3. Step 3: Cross multiply
    9,711,345.60x = 13,570,689.60 × 9,711,345.60
  4. Step 4: Simplify right side
    9,711,345.60x = 131,789,656,735,925.75
  5. Step 5: Solve for x
    x = 131,789,656,735,925.75/9,711,345.60
  6. Step 6: Final answer
    x = 13,570,689.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.